FIX: getIssueWatchers() get only aktive suscriber

Author: 6543

models/issue_watch.go

@@ -65,6 +65,7 @@ func GetIssueWatchers(issueID int64) ([]*IssueWatch, error) {
 func getIssueWatchers(e Engine, issueID int64) (watches []*IssueWatch, err error) {
 	err = e.
 		Where("`issue_watch`.issue_id = ?", issueID).
+		And("`issue_watch`.is_watching > ?", 0).
 		And("`user`.is_active = ?", true).
 		And("`user`.prohibit_login = ?", false).
 		Join("INNER", "`user`", "`user`.id = `issue_watch`.user_id").