Only render appTile body (including warnings) if drawer shown.

src/components/views/elements/AppTile.js

@@ -223,6 +223,7 @@ export default React.createClass({
             safeWidgetUrl = url.format(parsedWidgetUrl);
         }
 
+        if (this.props.show) {
             if (this.state.loading) {
                 appTileBody = (
                     <div className='mx_AppTileBody mx_AppLoading'>
@@ -238,7 +239,7 @@ export default React.createClass({
                             />
                         </div>
                     );
-            } else if (this.props.show) {
+                } else {
                     appTileBody = (
                         <div className="mx_AppTileBody">
                             <iframe
@@ -260,6 +261,7 @@ export default React.createClass({
                     </div>
                 );
             }
+        }
 
         // editing is done in scalar
         const showEditButton = Boolean(this._scalarClient && this._canUserModify());