Fixed a display issue in activities where an outdated styling rule could cause details to appear incorrectly. This helps keep activity information readable and properly arranged for users.

Prior to this commit the 'o_Activity_details' element was using a
discontinued bootstrap class, causing the layout to brake.

task#2731819.

required by: https://github.com/odoo/odoo/pull/82590

--
I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr

The web enterprise navigation bar now makes the home menu icon title available for translation, improving usability for multilingual users. The change also updates how the menu brand is shown or hidden to avoid flickering and prepare the interface for future framework changes.

Documents now handle image processing more reliably, avoiding attempts to process unsupported PDF content as images. This improves document workflows by reducing errors when users work with files in Documents and spreadsheet-related document features.