Fix ToC icon color in Dark mode.

also tweak its padding so that it's aligned with the overflow dots.

Bug: 70689
Change-Id: I534da63bfd3e413d87f20cd217c9578a4dee8053
Check for new releases and pop up a notification if there is one

Change-Id: Iac34556b3ef15e9ff2bf1ce626989f156b58ef74
Merge "Check for new releases and pop up a notification if there is one"
Merge "Fix ToC icon color in Dark mode."