[Glitch] Change single-column mode to scroll the whole page

Port aa22b38fdb to glitch-soc

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

app/javascript/flavours/glitch/features/favourited_statuses/index.js

@@ -93,6 +93,7 @@ class Favourites extends ImmutablePureComponent {
           isLoading={isLoading}
           onLoadMore={this.handleLoadMore}
           emptyMessage={emptyMessage}
+          bindToDocument={!multiColumn}
         />
       </Column>
     );