Ensure all project factories use `:repository` trait or `:empty_project`

...controllers/admin/application_settings_controller_spec.rb

spec/controllers/admin/dashboard_controller_spec.rb

spec/controllers/autocomplete_controller_spec.rb

spec/controllers/dashboard_controller_spec.rb

...lers/projects/merge_requests/conflicts_controller_spec.rb

...lers/projects/merge_requests/creations_controller_spec.rb

...trollers/projects/merge_requests/diffs_controller_spec.rb

spec/controllers/projects/merge_requests_controller_spec.rb

spec/controllers/projects/pipelines_controller_spec.rb

spec/controllers/projects/snippets_controller_spec.rb

spec/controllers/projects_controller_spec.rb

spec/controllers/snippets_controller_spec.rb

spec/factories/uploads.rb

spec/features/dashboard/projects_spec.rb

spec/features/discussion_comments/commit_spec.rb

spec/features/discussion_comments/merge_request_spec.rb

spec/features/issuables/markdown_references_spec.rb

spec/features/projects/blobs/edit_spec.rb

spec/features/reportable_note/commit_spec.rb

spec/features/reportable_note/merge_request_spec.rb