fixes #22907 Tested: - [x] issue content edit - [x] issue content change tasklist - [x] pull request content edit - [x] pull request change tasklist  (cherry picked from commit aa92b13164e84c26be91153b6022220ce0a27720) Conflicts: models/issues/comment.go c7a389f2b2667b7bfc264a0be519b5c85e0a3b94 [FEAT] allow setting the update date on issues and comments options/locale/locale_en-US.ini trivial context conflicts routers/api/v1/repo/issue_comment.go routers/api/v1/repo/issue_comment_attachment.go services/issue/comments.go services/issue/content.go user blocking is implemented differently in Forgejo routers/web/repo/issue.go trivial difference from 6a0750177f Allow to save empty comment user blocking is implemented differently in Forgejo templates/repo/issue/view_content/conversation.tmpl templates changed a lot in Forgejo but the change is trivially ported tests/integration/issue_test.go other tests were added in the same region web_src/js/features/repo-issue-edit.js the code is still web_src/js/features/repo-legacy.js trivially ported