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/openvr/ovr_settings_wrapper.cpp

@@ -1,4 +1,6 @@
 #include "ovr_settings_wrapper.h"
+#include <QtLogging>
+#include <QtDebug>
 
 namespace ovr_settings_wrapper
 {
@@ -19,9 +21,9 @@ SettingsError handleErrors( std::string settingsKey,
         {
             return SettingsError::UndefinedError;
         }
-        LOG( ERROR ) << "Could not access \"" << settingsKey << "\" setting: "
-                     << vr::VRSettings()->GetSettingsErrorNameFromEnum( error )
-                     << " " << customErrorMsg;
+        qCritical() << "Could not access \"" << settingsKey << "\" setting: "
+                    << vr::VRSettings()->GetSettingsErrorNameFromEnum( error )
+                    << " " << customErrorMsg;
         if ( error
              == vr::EVRSettingsError::VRSettingsError_UnsetSettingHasNoDefault )
         {