Hide UI rework/arrow key fix (#2504)

* Unbreak arrow keys

* Use bitshift for Flags instead of literal

Ryujinx/Config.json

@@ -1,5 +1,5 @@
 {
-  "version": 28,
+  "version": 29,
   "enable_file_log": true,
   "res_scale": 1,
   "res_scale_custom": 1,
@@ -58,7 +58,8 @@
   "enable_mouse": false,
   "hotkeys": {
     "toggle_vsync": "Tab",
-    "screenshot": "F8"
+    "screenshot": "F8",
+    "show_ui": "F4"
   },
   "keyboard_config": [],
   "controller_config": [],
@@ -107,4 +108,4 @@
       "player_index": "Player1"
     }
   ]
-}
+}