fixing some big bugs

tanks_game.c

@@ -1438,8 +1438,8 @@ int32_t tanks_game_app(void* p) {
             // event timeout
         }
 
-        view_port_update(view_port);
         furi_mutex_release(tanks_state->mutex);
+        view_port_update(view_port);
         furi_delay_ms(1);
     }