Add border to 'reject' button on room preview card (#9205)

* Add border to 'reject' button on room preview card

Signed-off-by: gefgu <[email protected]>

* feat: use correct kind

---------

Signed-off-by: gefgu <[email protected]>
Co-authored-by: Michael Telatynski <[email protected]>

Author: gefgu

src/components/views/rooms/RoomPreviewCard.tsx

@@ -116,7 +116,7 @@ const RoomPreviewCard: FC<IProps> = ({ room, onJoinButtonClicked, onRejectButton
         joinButtons = (
             <>
                 <AccessibleButton
-                    kind="secondary"
+                    kind="primary_outline"
                     onClick={() => {
                         setBusy(true);
                         onRejectButtonClicked();