Fixed error thrown when viewing a channel containing an invalid emoji reaction (#7080)

* Added better error handling for when reacting with a non-existant emoji

* Re-added emoji aliases ca, za, and pk

1 files changed, 4 insertions, 0 deletions

diff --git a/webapp/components/post_view/reaction/reaction.jsx b/webapp/components/post_view/reaction/reaction.jsx
index f256a1fb5..673f8fd7f 100644
--- a/webapp/components/post_view/reaction/reaction.jsx
+++ b/webapp/components/post_view/reaction/reaction.jsx
@@ -93,6 +93,10 @@ export default class Reaction extends React.PureComponent {
     }
 
     render() {
+        if (!this.props.emojiImageUrl) {
+            return null;
+        }
+
         let currentUserReacted = false;
         const users = [];
         const otherUsersCount = this.props.otherUsersCount;