Use Compose Navigation instead of Activities

[rfc2822]

https://developer.android.com/develop/ui/compose/navigation

We should see if we can gradually move (preferred) or if we have to do all activities at once.

Gradual implementation should be possible, so we can rewrite activities one by one and make releases inbetween.

Related issues:

• Returning from CardDAV collection view via arrow opens CalDAV tab. See Returning from CardDAV collection view via arrow opens CalDAV tab #1063
• Back navigation should also use the respective animation. See Wrong transition animation when going back via the left arrow #899

[ArnyminerZ]

By the way, afaik this will also add predictive back.

[rfc2822]

Closed in favor of the more detailed #1172