Refactor initRepoBranchTagSelector to use new init framework#33776

lunny merged 3 commits intogo-gitea:maingo-gitea/gitea:mainfrom

kerwin612:refactor-initrepobranchtagselector-with-registerglobalinitfunckerwin612/gitea:refactor-initrepobranchtagselector-with-registerglobalinitfuncCopy head branch name to clipboard