Wrap GeminiScrollbar in a component, enabled forceGemini

Fixes https://github.com/vector-im/riot-web/issues/6294

src/components/views/rooms/SearchableEntityList.js

@@ -19,7 +19,6 @@ const MatrixClientPeg = require("../../../MatrixClientPeg");
 const Modal = require("../../../Modal");
 const sdk = require("../../../index");
 import { _t } from '../../../languageHandler';
-const GeminiScrollbar = require('react-gemini-scrollbar');
 
 // A list capable of displaying entities which conform to the SearchableEntity
 // interface which is an object containing getJsx(): Jsx and matches(query: string): boolean
@@ -164,11 +163,12 @@ const SearchableEntityList = React.createClass({
                     </div>
                 );
             }
+            const GeminiScrollbarWrapper = sdk.getComponent("elements.GeminiScrollbarWrapper");
             list = (
-                <GeminiScrollbar autoshow={true}
+                <GeminiScrollbarWrapper autoshow={true}
                                  className="mx_SearchableEntityList_listWrapper">
                     { list }
-                </GeminiScrollbar>
+                </GeminiScrollbarWrapper>
             );
         }