CMake iOS AUv3 unknown application extension

to make Auv3 works (using juce cmake but not the add plugin part), I had to

 set_target_properties(${TARGET_EXT_NAME} PROPERTIES
    BUNDLE YES
    BUNDLE_EXTENSION appex
    XCODE_ATTRIBUTE_WRAPPER_EXTENSION appex
    XCODE_PRODUCT_TYPE com.apple.product-type.app-extension
    XCODE_ATTRIBUTE_APPLICATION_EXTENSION_API_ONLY NO
)

and copy into SA bundle

add_custom_command(TARGET ${TARGET_SA_NAME} POST_BUILD COMMAND ${CMAKE_COMMAND} ARGS -E copy_directory “$<TARGET_FILE_DIR:${TARGET_SA_NAME}>/…/${TARGET_EXT_NAME}.appex” “$<TARGET_FILE_DIR:${TARGET_SA_NAME}>/PlugIns/${TARGET_EXT_NAME}.appex” MAIN_DEPENDENCY “${TARGET_EXT_NAME}”)