Breaking changes detected by snapshot tests.

Add screenshare button back to snapshot test.
Remove reaction button.

src/components/CallFooter.tsx

@@ -153,7 +153,7 @@ export const CallFooter: FC<FooterProps> = ({
     );
   }
 
-  if (reactionIdentifier) {
+  if (reactionIdentifier && reactionData) {
     buttons.push(
       <ReactionToggleButton
         size={buttonSize}