Make action bar match theme colour when run as PWA

[nimbleghost]

Chrome

Before	After

iOS

Before	After

Dark mode sidebar fix

Before	After

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (main@f78389b). Click here to learn what that means.
Patch has no changes to coverable lines.

❗ Your organization is not using the GitHub App Integration. As a result you may experience degraded service beginning May 15th. Please install the Github App Integration for your organization. Read more.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #793   +/-   ##
=======================================
  Coverage        ?   65.85%           
=======================================
  Files           ?       53           
  Lines           ?     7646           
  Branches        ?        0           
=======================================
  Hits            ?     5035           
  Misses          ?     1775           
  Partials        ?      836           

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.