turn off compat qt5 by default

CMakeLists.txt

@@ -130,7 +130,7 @@ option(MUE_CRASHPAD_HANDLER_PATH "Path to custom crashpad_handler executable (op
 option(MUE_ENABLE_CUSTOM_ALLOCATOR "Enable custom allocator (used for engraving)" OFF)
 
 # === Compile ===
-option(MUE_COMPILE_QT5_COMPAT "Build with Qt5" ON)
+option(MUE_COMPILE_QT5_COMPAT "Build with Qt5" OFF)
 option(MUE_COMPILE_BUILD_64 "Build 64 bit version of editor" ON)
 option(MUE_COMPILE_BUILD_MACOS_APPLE_SILICON "Build for Apple Silicon architecture. Only applicable on Macs with Apple Silicon, and requires suitable Qt version." OFF)
 option(MUE_COMPILE_INSTALL_QTQML_FILES "Whether to bundle qml files along with the installation (relevant on MacOS only)" ON)