Qt 3D Studio CI is not building

Qt 3D Studio doesn't build in CI due to missing LUA dependencies. It seems the CI doesn't use the --recursive option to clone the Qt 3D Studio repo. As some of the 3rd party dependencies are now submodules the repo must be cloned with git clone --recursive ssh://<username>@codereview.qt-project.org:29418/qt3dstudio/qt3dstudio