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/motion_page/gravity/GravityGroupBox.qml

@@ -218,19 +218,19 @@ GroupBox {
     Connections {
         target: MoveCenterTabController
 
-        onGravityActiveChanged: {
+        function onGravityActiveChanged() {
             gravityToggleButton.checked = MoveCenterTabController.gravityActive
         }
-        onGravityStrengthChanged: {
+        function onGravityStrengthChanged() {
             gravityStrengthText.text = MoveCenterTabController.gravityStrength.toFixed(2)
         }
-        onMomentumSaveChanged: {
+        function onMomentumSaveChanged() {
             momentumToggleButton.checked = MoveCenterTabController.momentumSave
         }
-        onFlingStrengthChanged: {
+        function onFlingStrengthChanged() {
             flingStrengthText.text = MoveCenterTabController.flingStrength.toFixed(2)
         }
-        onFrictionPercentChanged: {
+        function onFrictionPercentChanged() {
             frictionPercentText.text = MoveCenterTabController.frictionPercent + "%"
         }
     }