- Updated all of the branding in /browser/branding/official with new 'stable' icon series. - Updated /extensions/onboarding/content/img/tor-watermark.png with new icon and add the source svg in the same directory - Copied /browser/branding/official over /browser/branding/nightly and the new /browser/branding/alpha directories. Replaced content with 'nightly' and 'alpha' icon series. Updated VisualElements_70.png and VisualElements_150.png with updated icons in each branding directory (fixes #22654) - Updated firefox.VisualElementsManfiest.xml with updated colors in each branding directory - Updated content/identity-icons-brand.svg with Tor Browser icon (fixes #28111) - Added firefox.svg to each branding directory from which all the other icons are derived (apart from document.icns and document.ico) - Added default256.png and default512.png icons - Updated aboutTBUpdate.css to point to branding-aware icon128.png and removed original icon - Use the Tor Browser icon within devtools/client/themes/images/.
