Fix review comment/dimiss comment x reference can be refereced back (#35094)

Fix #15977

models/issues/issue_xref.go

@@ -235,7 +235,7 @@ func (issue *Issue) verifyReferencedIssue(stdCtx context.Context, ctx *crossRefe
 
 // AddCrossReferences add cross references
 func (c *Comment) AddCrossReferences(stdCtx context.Context, doer *user_model.User, removeOld bool) error {
-	if c.Type != CommentTypeCode && c.Type != CommentTypeComment {
+	if !c.Type.HasContentSupport() {
 		return nil
 	}
 	if err := c.LoadIssue(stdCtx); err != nil {