[fractal] (8 commits) Non-fast-forward update to branch multi-account

[Alejandro Domínguez <aledomu src gnome org>]

The branch 'multi-account' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  e835959... Split main_stack in login and sessions
  ab8e6a9... Make "prepared" signal handling more robust
  d873673... Make gap at the start of the header bar to add accounts but
  a8cadcf... Add account switcher
  00e011d... Connect button to open login page
  e14753a... Show user ids as list labels in the account switcher

Commits added to the branch:

  7a93447... room: Load members only when the room is displayed (*)
  9636f74... login: add specific error logins based on login with passwo (*)
  a50d35c... Split main_stack in login and sessions (*)
  fc23945... Make "prepared" signal handling more robust (*)
  848aed2... Make gap at the start of the header bar to add accounts but
  f3c55c4... Add account switcher
  db184fb... Connect button to open login page
  f57e72a... Show user ids as list labels in the account switcher

(*) This commit already existed in another branch; no separate mail sent