feat: Add pinning for prs and branches

[thielpa]

This Pull request adds the possibility to pin prs/branches at the top of the table. This user preference is also persisted in the db.

Screencast.from.23.02.2025.17.11.04.webm

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
Report missing for a96fb701	✅ 4.14%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (a96fb70)	Report Missing	Report Missing	Report Missing
Head commit (8a82c3d)	5508	334	6.06%

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#433)	169	7	4.14%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

See your quality gate settings    Change summary preferences

_{Codacy stopped sending the deprecated coverage status on June 5th, 2024. Learn more}

Footnotes

1. Codacy didn't receive coverage data for the commit, or there was an error processing the received data. Check your integration for errors and validate that your coverage setup is correct. ↩

[egekocabas]

Made a review together and come up with couple things, but other than that looks good, thanks 🍾

[egekocabas]

Delete on cascade should be added, so that whenever a branch is removed, its preference is removed from preference table as well 👍🏻

Caused by: org.hibernate.exception.ConstraintViolationException: could not execute statement [ERROR: update or delete on table "branch" violates foreign key constraint "fkgyxf2ri6f3j4pourba7shdsma" on table "user_preference_favourite_branches"
  Detail: Key (repository_id, name)=(890885508, feat/ege-test3) is still referenced from table "user_preference_favourite_branches".] [delete from branch where name=? and repository_id=?]

[egekocabas]

authService.getUserFromGithubId() returns User and i think we are using this in method in endpoints where its covered with at least @EnforceAtLeastWrite annotation so that we are sure that user exist

but in here, since branches and pull requests should be accessible without loggin in, whenever i open the pr or branch list view i got the below error

[egekocabas]

Also the same thing with getAllBranches

[egekocabas]

We already talked about this branch table's tree structure and visibility of pinned branches inside the tree.
Possible solution is having another separate group called Pinned and we show all the branches in the tree view (nothing will be changed there) but also inside the Pinned group we will show all the pinned branches there again