How to reproduce :
- Create a product
- Create an attribute with a value set to "free text"
- Add 2 different vendors to the purchase tab of the product with different Vendor Code and/or Vendor Name
- Put Dropship as the route for the product to create a PO on a SO confirmation
- Create a SO with that product
- Confirm the SO and go to the PO
- Change the vendor in the SO

The problem :
The Vendor Code and/or Vendor Name does not change correctly in the product description

Why :
The way the description generation for a change in a purchase order line works as follows : Create a collection of default descriptions based on the product and the different vendors. If the collection contains the current description, it means the description was not changed by the user and it can be modified. This is done to prevent resetting a custom description made by an user. The problem was that the generation of the description for the creation of the PO and for the modification of the PO were different. The later did not take into account the attributes with free text values. This, in turn, made it so the current description was never in the collection of default descriptions and so the description was never changed.

The change:
This commit aims to resynchronize the generation of the description on the creation and on the modification. Both now uses the product_description_variants field.

Note:
The function that generates the description on PO creation is "_prepare_purchase_order_line_from_procurement" in purchase_order_line.py in purchase_stock

Note 2:
The purchased_product_matrix module partly fixed this issue by adding attributes with Variant Creation set to "never" to the description. I have removed this logic as the above fix also includes these attributes.

opw-5888233

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:




---
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Before this commit: safari returns invalid document in collaboration, typically when a chrome user is sending history steps with undo. Reproduction steps:
1. In chrome, use an existing task with empty description or create a task in the project (first create the task title in the kanban view, then click edit), enter 4 lines of text
2. In one of the middle lines, delete one character --> undo --> add a new character
3. Save the task, open the task in Safari incognito, log in as demo (not admin), go to the task and click the description field
4. TraceBack: IndexSizeError: The index is not in the allowed range.

After this commit: we use the range of the DOM selection to set the
offsets of activeSelection. If the DOM selection is too wrong to be
corrected, e.g. the selection's anchor node isn't the same with range's
start container (or end container if direction is right to left), we do
not set new activeSelection but just return the previous activeSelection

task-5428788


---
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Fix 1:
-------
Using the early receipt printing option leads to a traceback when using the italian fiscal printer.

Steps to reproduce:
-------------------
* Setup the italian fiscal printer for a restaurant
* Enable Early Receipt printing
* Open restaurant
* Open a table, add an item to cart
* Try the early print option
> Observation: Traceback

Why the fix:
------------
Initially the traceback is related to trying to read `decimal_places` out of undefined. The current order doesn't have yet a currency.

To solve this initial issue we can just take the currency of the config if there's none on the order. The pos does not handle multicurrency so the order will always have the same currency as the config anyway.

After solving this part another issue would still happen. If the order was no sent to the kitchen yet. Such orders are not yet synced to the backend and do not have an id of type number. If the order had been send to the display.

This scenario was sending the printer, the data to print and with a successful print we were trying to sync data to the server with
```
await this.data.write("pos.order", [order.id], updateData);
```
which was triggering an error in `orm_services` with `validatePrimitiveList`.
> Invalid ids list: pos.order_4

If we try to reprint AGAIN the bill for some reason, we get another traceback. It's because the nb_print is now 1 and therefore we now try to print with
```
printResult = await this.fiscalPrinter.printContentByNumbers({
    order: order,
});
```
which will try to split undefined here
```
this.receiptNumber = this.props.order.it_fiscal_receipt_number;
const dateParts = this.props.order.it_fiscal_receipt_date.split("/");
```

Those two last issues are solved by not syncing the data to the server when we simply print the bill early.

-------
-------
Fix 2:
-------
Currently the early printing option does not work as desired. The fiscal printer does not print the receipt.

Steps to reproduce:
-------------------
* Setup the italian fiscal printer for a restaurant
* Enable Early Receipt printing
* Open restaurant
* Open a table, add an item to cart
* Try the early print option
> Observation: the printer stops in the middle of printing the receipt

Why the fix:
------------
The early receipt was trying to be printed as a fiscal document. However it cannot be considered as such.

We backport this fix that enables basic receipt printing and alter it to also work with early printing.

Fix being backported: https://github.com/odoo/enterprise/commit/b8fd13b802729ccee080ab14f2958d59f57d0f97

There are a few differences between the early receipt and the basic print, mainly the fact that prices need to be shown on the early receipt.

There are a few differences with the original commit. In the documentation of the printer, `printNormal` uses data and the original commit mixes between `data` and `message` so it is harmonized here.

opw-5387572


Results:
-----------
Basic receipt:
<img width="672" height="835" alt="image" src="https://github.com/user-attachments/assets/3de96523-22db-4a27-adbd-3464802604aa" />

Early receipt:
<img width="658" height="842" alt="image" src="https://github.com/user-attachments/assets/f6b7ab24-e27b-4deb-8d5f-1b0c41bb28f0" />