feat: #8408 flags' quick assignment

public/language/en-GB/flags.json

@@ -32,6 +32,7 @@
 	"view-profile": "View Profile",
 	"start-new-chat": "Start New Chat",
 	"go-to-target": "View Flag Target",
+	"assign-to-me": "Assign To Me",
 	"delete-post": "Delete Post",
 	"purge-post": "Purge Post",
 	"restore-post": "Restore Post",

public/src/client/flags/detail.js

@@ -13,6 +13,10 @@ define('forum/flags/detail', ['forum/flags/list', 'components', 'translator', 'b
 			var uid = $(this).parents('[data-uid]').attr('data-uid');
 
 			switch (action) {
+				case 'assign':
+					$('#assignee').val(app.user.uid);
+					// falls through
+
 				case 'update':
 					socket.emit('flags.update', {
 						flagId: ajaxify.data.flagId,