Qt6 (#669)

* update qt6 upgrade progress

* add flawed addition for QRenderTarget and link needed libs

* update to better logging format

* move many assets and qml files into qrc

* get rid of deprecation messages

* remove additional deprecation notices

* make Qt6 finally render on desktop with some progress on vr

* initialize QRhi with QQuickRenderControl

* use default values to stop SegFaults

* fix compilation on windows

* add windows files for aiding in running exe

* fix formatting of testing qt.conf

* first attempt on using textures instead of files in AudioTabController

* Fix public/private access issue

---------

Co-authored-by: RTUnreal <unreal@rtinf.net>

src/res/qml/utilities_page/keyboard_utils/KeyboardGroupBox.qml

@@ -45,7 +45,7 @@ GroupBox {
                 }
                 Connections {
                     target: OverlayController
-                    onKeyBoardInputSignal: {
+                    function onKeyBoardInputSignal() {
                         if (userValue == 601) {
                             UtilitiesTabController.sendKeyboardInput(input)
                         }
@@ -581,7 +581,7 @@ GroupBox {
     }
     Connections {
         target: UtilitiesTabController
-        onVrcDebugChanged: {
+        function onVrcDebugChanged() {
             vrcDebugRow.visible = UtilitiesTabController.vrcDebug
         }
     }