Significant bug fixes

• The title of a hashtag tab now shows the actual hashtags again (instead of just "Hashtags") https://github.com/tuskyapp/Tusky/pull/4868
• Makes sure the background color of a dialogs is correct https://github.com/tuskyapp/Tusky/pull/4864
• Fixes an issue where Tusky would freeze while loading a timeline gap https://github.com/tuskyapp/Tusky/pull/4865

If you like Tusky, consider supporting us on Open Collective!