review: smaller changes

- use correct button styles
 - move overrides to options
 - add flex-wrap: nowrap

src/room/InCallView.test.tsx

@@ -113,8 +113,7 @@ function createInCallView(args: CreateInCallViewArgs = {}): RenderResult & {
   const { vm, rtcSession } = getBasicCallViewModelEnvironment(
     [local, alice],
     undefined,
-    {},
-    args.mediaDevices,
+    { mediaDeviceOverride: args.mediaDevices },
   );
 
   rtcSession.joined = true;