Port d185f3ddaf to glitch-soc

This doesn't change anything for glitch-style fields, but those will go
away eventually

Port b08ab329f4 to glitch-soc

Unlike boosts and like, there is no confirmation dialog as misclicking
can be recovered without another user seeing it.

Port 913a38111f to glitch-soc

Might be overkill, but I'm trying to follow the same logic as for blocked users

Port 08f49bdb0d to the glitch flavour

Port 9110db41c5 to glitch

Port 5131012505 to glitch

Port 41a01bec23 to glitch-soc

Ports cfa9b6e13a to glitchsoc

Also lay some groundwork needed to interactively change the
glitchfriend.

The codebase uses "elefriend" because it's shorter and didn't require me
to realign the actions in actions/compose.js.  Same idea, though.