Plugin call UX fixes

Activating a plugin in a call can sometimes make globally disabled plugins appear in the plugin list.

Plugins should be loaded off the UI thread

marked this issue as related to #1493

assigned to @alussier-cullen

added SprintIn progress label

changed title from Add automatic plugin activation when configured as such to Plugin call UX fixes

changed the description

added SprintTo review label and removed SprintIn progress label

added SprintIn progress label and removed SprintTo review label

mentioned in commit bc75f0dd

mentioned in commit e657e4fe

added SprintTo review label and removed SprintIn progress label

The problem of automatic plugin enabling runs deeper than just than top layer UX logic in the app, so I'm moving this point from the ticket.

changed the description

removed SprintTo review label

closed