The entire list should no longer lock up when changing friend rights for just some people
Visual changes:
Muted people's names in friends list are now displayed in the muted color (this still needs testing)
The collapse and expand button now uses icons instead of < and > characters.
Complex stuff devs may read:
Remove pointless classes, definitions, and functions.
Replace static callbacks with bound ones.
Cleanup commented stuff
Fix styling and spacing stuffs
Comment out unexecuted code paths
Optimizes updating uncached names so full refresh is not required, just a single name update.
Comment out unused voice stuff, since SIP buddylist was removed in Voice Update.
Switch to Params for list building~
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