use system version ?

Index: CMakeLists_Dependencies.cmake
--- CMakeLists_Dependencies.cmake.orig
+++ CMakeLists_Dependencies.cmake
@@ -319,5 +319,6 @@ if (HARFBUZZ_SUBSET_FOUND)
 endif()
 
 #if(WANT_QTADS)
+	find_package(qtadvanceddocking-qt6)
   set(HAVE_QTADS ON)
 #endif()
