This update cleans up visual issues in Knowledge by removing unwanted dropdown arrows and correcting an oversized image in the move-to-article dialog. Users get a more polished, consistent interface when organizing articles.

**Before this commit:**
Unwanted dropdown arrow icons were appearing on dropdown elements, and the image size in the 'move to article' section was exceptionally large.

**After this commit:**
The mentioned issues have been resolved.

**Task**-3733048

This fixes the WhatsApp integration after related data fields were renamed in a recent core update. It helps ensure WhatsApp discussions continue to display correctly in the sidebar without disruption for users.

Since https://github.com/odoo/odoo/pull/154729 those fields have been renamed