rails_helper.rb's only logic was to require
spec_helper.rb.

Using the sed script from
https://gitlab.com/gitlab-org/gitlab-ce/issues/59758

Changes migration and all other places the attribute is used

Also fixes flaky spec

Update assignees_spec.js

Update sidebar_spec.rb

Update issues_spec.rb

Add time tracking progress bar to Issue Boards sidebar.

Replaces all the explicit include metadata syntax in the specs (tag:
true) into the implicit one (:tag).
Added a cop to prevent future errors and handle autocorrection.

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

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

added key to assignee avatar loop

This is to improve reliability on mentioned tests