Add commit statuses reports on pull request view (#6845)
* Add commit statuses reports on pull view
* Add some translations
* improve the UI
* fix fmt
* fix tests
* add a new test git repo to fix tests
* fix bug when headRepo or headBranch missing
* fix tests
* fix tests
* fix consistency
* fix tests
* fix tests
* change the test repo
* fix tests
* fix tests
* fix migration
* keep db size consistency
* fix translation
* change commit hash status table unique index
* remove unused table
* use char instead varchar
* make hashCommitStatusContext private
* split merge section with status check on pull view ui
* fix tests; fix arc-green theme on pull ui
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