[fractal] (16 commits) Non-fast-forward update to branch ui-refactor

[Alejandro Domínguez <aledomu src gnome org>]

The branch 'ui-refactor' 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:

  fc55337... Get App::get_op() out of App
  3bac90c... Make OP static variable getter non-optional
  4fd8d81... Remove op field in App
  e7f5593... Deprecate get_op()
  1291f60... Move main_window field from App to UI
  62c308f... Move app::connect to appop module
  3da717e... Use AppRuntime for better ergonomics for the reactive loop
  8b3580e... Use UI and AppRuntime directly in connect
  815535d... Remove OP global variable
  e315ad8... Remove App struct
  8b5a379... Relocate UI rust code files
  0f743fd... Move connect_gtk to ui module
  bf4a302... Move all fields related to UI from AppOp to UI
  83a4ce8... Remove Rc<RefCell<T>> pattern in ui::UI
  666b7c6... Remove Rc<RefCell<T>> pattern in widgets::members_list

Commits added to the branch:

  eebb5b5... Fix message replacement and removal in room_history (*)
  c6343cc... Get App::get_op() out of App
  93d40bf... Make OP static variable getter non-optional
  d53d521... Remove op field in App
  8b8f662... Deprecate get_op()
  88a3526... Move main_window field from App to UI
  1e7e438... Move app::connect to appop module
  0f9db91... Use AppRuntime for better ergonomics for the reactive loop
  afe57d9... Use UI and AppRuntime directly in connect
  3398d7a... Remove OP global variable
  af67e49... Remove App struct
  c053118... Relocate UI rust code files
  8d29f3e... Move connect_gtk to ui module
  931a2cf... Move all fields related to UI from AppOp to UI
  b94e4d5... Remove Rc<RefCell<T>> pattern in ui::UI
  0393a2c... Remove Rc<RefCell<T>> pattern in widgets::members_list

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