Hide Cursor On Idle (#1993)

* Implement "Hide Cursor On Idle" option

Adds a general option to autohide the cursor after 8s have elapsed.

* Fix cursor not hiding on Windows and dispose it

* Don't dispose cursor, fix var names

* Abide by the GNOME documentation

* Fix nits

* Disabled by default, make it so it doesn't utilize any timer

* Remove *NIX time and extra lines

* Don't calculate if option is disabled

* Move if case

* Fix alignment

Ryujinx/_schema.json

@@ -1209,6 +1209,17 @@
         true,
         false
       ]
+    },
+      "hide_cursor_on_idle": {
+      "$id": "#/properties/hide_cursor_on_idle",
+      "type": "boolean",
+      "title": "Hide Cursor On Idle",
+      "description": "Hides the cursor after being idle for 5 seconds",
+      "default": false,
+      "examples": [
+        true,
+        false
+      ]
     },
     "enable_vsync": {
       "$id": "#/properties/enable_vsync",