[Glitch] Add responsive panels to the single-column layout

Port 1e5532e693 to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>

app/javascript/flavours/glitch/components/autosuggest_input.js

@@ -49,7 +49,7 @@ export default class AutosuggestInput extends ImmutablePureComponent {
     autoFocus: PropTypes.bool,
     className: PropTypes.string,
     id: PropTypes.string,
-    searchTokens: ImmutablePropTypes.list,
+    searchTokens: PropTypes.arrayOf(PropTypes.string),
     maxLength: PropTypes.number,
   };