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

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

src/res/qml/chaperone_page/chaperone_additional/ChaperoneAdditionalPage.qml

@@ -1,7 +1,7 @@
 import QtQuick 2.7
 import QtQuick.Controls 2.0
 import QtQuick.Layouts 1.3
-import QtQuick.Dialogs 1.2
+import QtQuick.Dialogs
 import ovras.advsettings 1.0
 import "." // QTBUG-34418, singletons require explicit import to load qmldir file
 import "../../common"
@@ -113,7 +113,7 @@ MyStackViewPage {
 
         Connections {
             target: ChaperoneTabController
-            onChaperoneDimHeightChanged: {
+            function onChaperoneDimHeightChanged() {
                 var d = ChaperoneTabController.chaperoneDimHeight.toFixed(2)
                 if (d <= dimHeightSlider.to && Math.abs(dimHeightSlider.value - d) > 0.0008) {
                     dimHeightSlider.value = d