Subshell 0.77.0-beta.4

Fourth public beta of Subshell.

Highlights:

• Native Reddit crossposting now supports destination selection, flair, review, publishing, and immediate canonical post presentation.
• Posts can now be followed and unfollowed directly from the post overflow menu.
• Community user flair support now includes selecting your own flair and richer author flair presentation.
• Configurable swipe actions are available for posts and comments, with gesture arbitration and haptic feedback.
• Cached Home and community feeds now refresh automatically on re-entry, and inline comment images open in the shared fullscreen viewer.
• Video looping is available as an optional setting, alongside refinements to Accounts and searchable Settings.