Change `logout_direct` uses to `gitlab_sign_out_direct`

Closes #33614

Signed-off-by: NRémy Coutable <remy@rymai.me>

Added by
https://gitlab.com/gitlab-org/gitlab-ee/commit/88aea2cbc8633ba970335d935d725bd17654b424

Part of this MR: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/1797/

added key to assignee avatar loop

[ci skip]

[ci skip]

This is to improve reliability on mentioned tests

Closes #31862

Removed all the unnecessary include of `WaitForAjax` and `ApiHelpers` in the specs.
Removed unnecessary usage of `api:true`

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/27262

Clean up the events when the modal window is closed

Updated modal filter spec

Also fixed issue with Vue resource encoding + in search term

- Uses Timecop to fix due date spec
- Waits for sidebar to be visible before doing anything
- Fixes weird issues where the link would be clicked instead of the card itself

Closes #28310

Previously was disabled until any list was present (except for done) this now takes into account the welcome blank state

Closes #27931