Fix double reply button click bug by "cancelling" the reply when you click it...

Fix double reply button click bug by "cancelling" the reply when you click it and are already muted.

src/views/preview/comment/compose-comment.jsx

@@ -147,6 +147,13 @@ class ComposeComment extends React.Component {
         this.setState({
             muteOpen: false
         });
+
+        // Cancel (i.e. complete) the reply action if the user clicked on the reply button while
+        // alreay muted. This "closes" the reply.  If they just got muted, we want to leave it open
+        // so the blue CommentingStatus box shows.
+        if (this.props.isReply && this.state.status !== ComposeStatus.REJECTED_MUTE) {
+            this.handleCancel();
+        }
     }
 
     handleMuteOpen () {