Fixed an issue where right-clicking a spreadsheet cell without a pivot formula could cause an error. This improves spreadsheet reliability and prevents interruptions when users open cell context menus.

… crash

Since a8eb01024fe6500922c0bb3e89d2fc831f5b2d77, trying to open the
context menu of a cell which does not contains at least one pivot
formula leads to a traceback.

Task-id 2954345

This update fixes a rare issue where automated checks for spreadsheet links could fail unpredictably. It improves confidence in the Documents Spreadsheet module's test results without changing how users work with spreadsheets.

…sheet

Tests using `insertInSpreadsheetAndClickLink()` could (rarely) fail.
Replace `await nextTick()` by `await nextRender()` to fix the issue.

Odoo task [2946665](https://www.odoo.com/web#id=2946665&cids=1&menu_id=4720&action=333&active_id=2328&model=project.task&view_type=form)

This update removes outdated form layout styling from parts of Odoo Enterprise so the interface remains compatible with the newer Bootstrap framework. Users should see no functional change, but these cleanup fixes help prevent visual issues in affected screens and keep the product easier to maintain.