Add a way to mark Conversation (code comment) resolved (#11037)

* Add a way to mark Conversation (code comment) resolved

mark Conversation is a way to mark a Conversation is stale
or be solved. when it's marked as stale, will be hided like
stale. all Pull Request writer , Offical Reviewers and poster
can add or remove Conversation resolved mark.

Signed-off-by: a1012112796 <1012112796@qq.com>

* fix lint

* Apply suggestions from code review

* Add ResolveDoer
* fix ui

Co-Authored-By: Lauris BH <lauris@nix.lv>
Co-Authored-By: 6543 <6543@obermui.de>

* change IsResolved to an function
Add permission check in UpdateResolveConversation

* Apply suggestions from code review

* change return error for permisson check
* add default message for deleted user
* get issue message from comment
* add migration for ``ResolveDoerID`` column

another  change:
* block mark pending review as resolved because it's not necessary

Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>

* change button color

* resolve button size

* fix code style

* remove unusefull code

Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>

Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>

models/migrations/migrations.go

@@ -208,6 +208,8 @@ var migrations = []Migration{
 	NewMigration("Add CommitsAhead and CommitsBehind Column to PullRequest Table", addCommitDivergenceToPulls),
 	// v137 -> v138
 	NewMigration("Add Branch Protection Block Outdated Branch", addBlockOnOutdatedBranch),
+	// v138 -> v139
+	NewMigration("Add ResolveDoerID to Comment table", addResolveDoerIDCommentColumn),
 }
 
 // GetCurrentDBVersion returns the current db version