fix: linter issues

Author: Shaderpixel

src/teamwork.sh

@@ -227,7 +227,8 @@ Comment: $comment"
 teamwork::pull_request_review_dismissed() {
   local -r user=$(github::get_sender_user)
   teamwork::add_comment "Review dismissed by $user"
-  if [ -n "$comment" ]; then
+  if [ -z "$comment" ]; then
+    true
   else 
     teamwork::add_comment "Comment: $comment"
   fi