Merge branch 'select2-fix-for-project-lfs-enabled' into 'master'

Fix JS bug with select2 because of missing `data-field` attribute in select box.

Fixes #23193

See merge request !6812
Signed-off-by: Rémy Coutable <remy@rymai.me>

CHANGELOG

@@ -5,6 +5,7 @@ v 8.12.7
   - Fix Long commit messages overflow viewport in file tree. !6573
   - Use gitlab-markup gem instead of github-markup to fix `.rst` file rendering. !6659
   - Prevent flash alert text from being obscured when container is fluid. !6694
+  - Fix JS bug with select2 because of missing `data-field` attribute in select box. !6812
 
 v 8.12.6
   - Update mailroom to 0.8.1 in Gemfile.lock  !6814

app/views/projects/edit.html.haml

@@ -91,7 +91,7 @@
                     Git Large File Storage
                     = link_to icon('question-circle'), help_page_path('workflow/lfs/manage_large_binaries_with_git_lfs')
                 .col-md-3
-                  = f.select :lfs_enabled, [%w(Enabled true), %w(Disabled false)], {}, selected: @project.lfs_enabled?, class: 'pull-right form-control'
+                  = f.select :lfs_enabled, [%w(Enabled true), %w(Disabled false)], {}, selected: @project.lfs_enabled?, class: 'pull-right form-control', data: { field: 'lfs_enabled' }
 
           - if Gitlab.config.registry.enabled
             .form-group