fix: submitting spaces to form (codesandbox#2978)

Author: jyash97

packages/app/src/app/pages/common/Modals/FeedbackModal/Feedback.tsx

@@ -126,7 +126,7 @@ const Feedback: FunctionComponent<Props> = ({ id, user }) => {
         </EmojiButton>
 
         <ButtonContainer>
-          <Button disabled={loading} small>
+          <Button disabled={loading || !feedback.trim()} small>
             {loading ? 'Sending...' : 'Submit'}
           </Button>
         </ButtonContainer>