TunnelListFragment: hide menu when going to settings

Really the menu should be hidden when clicking on the action bar, too.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

app/src/main/java/com/wireguard/android/fragment/TunnelListFragment.java

@@ -229,6 +229,12 @@ public class TunnelListFragment extends BaseFragment {
             binding.createMenu.collapse();
     }
 
+    @Override
+    public void onPause() {
+        binding.createMenu.collapse();
+        super.onPause();
+    }
+
     @Override
     public void onSelectedTunnelChanged(final Tunnel oldTunnel, final Tunnel newTunnel) {
         // Do nothing.