Enabling jupyter_clean_diff by default

Epic: https://gitlab.com/groups/gitlab-org/-/epics/6589
Changelog: other

config/feature_flags/development/jupyter_clean_diffs.yml

@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/343433
 milestone: '14.5'
 type: development
 group: group::incubation
-default_enabled: false
+default_enabled: true

lib/gitlab/diff/file.rb

@@ -44,7 +44,7 @@ module Gitlab
         new_blob_lazy
         old_blob_lazy
 
-        preprocess_before_diff(diff) if Feature.enabled?(:jupyter_clean_diffs, repository.project)
+        preprocess_before_diff(diff) if Feature.enabled?(:jupyter_clean_diffs, repository.project, default_enabled: true)
       end
 
       def position(position_marker, position_type: :text)

lib/gitlab/diff/highlight.rb

@@ -153,7 +153,7 @@ module Gitlab
 
         blob.load_all_data!
 
-        return blob.present.highlight_transformed.lines if Feature.enabled?(:jupyter_clean_diffs, @project)
+        return blob.present.highlight_transformed.lines if Feature.enabled?(:jupyter_clean_diffs, @project, default_enabled: true)
 
         blob.present.highlight.lines
       end