Website editing now makes internal drop areas visible inside newly placed snippets, so users can more easily see where content can be added. Helpful editor messages are also refreshed when snippets are dropped, making page building clearer and smoother.

- Apply the style of drag&drop zones (.oe_structure.oe_empty) even when
  it is a descendant of the editable element, not the editable element
  itself. This change allows to add a visible drag&drop zone in any
  snippet.

- Add the editor messages (data-editor-message) on drag&drop zones when
  a snippet is dropped (not only on editor start as before).

In preparation of task-2152185

This update improves several website building blocks so editors can arrange accordion items with arrows, use clearer drag-and-drop areas, and customize tabs more easily. It also simplifies some default snippets by removing oversized titles and improving spacing, making page building smoother and more flexible.

Adding arrows to move the items above and below each others and remove
the big title

task-2152185

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:




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The Home Menu interface was refined to align with updated user experience standards and improve consistency. Supporting test utilities were also updated so the interface behaves more reliably during validation.

Improvements to the user interface of the Home Menu

Extension of enterprise PR: https://github.com/odoo/enterprise/pull/7643

The home menu was refined to feel cleaner and easier to use, including a more flexible search bar and simplified footer area. Search results now reset when users return to the home menu, helping avoid confusion and making navigation smoother.

- Centered footer logo
- Dynamic search bar height

Task 2170371

Community PR: https://github.com/odoo/odoo/pull/43125

The reconciliation widget now suggests matching the statement line amount when adding a larger invoice, instead of defaulting to the remaining open balance. This makes bank reconciliation faster and reduces manual correction for partial payments.

Suppose a statement line of 100.
Add an invoice of 1000.0 in the reconciliation widget.
The widget will suggest a partial payment of 100 instead of an open-balance of 900.

--task: 2071055