public static VisualElement CreateNewLevelEditorUI()
{
CreateInstance();
VisualTreeAsset aLevelEditorAsset = AssetDatabase.LoadAssetAtPath <VisualTreeAsset>("Assets/Editor/UXML Files/LevelEditor.uxml");
mInstance.mLevelEditorUI = aLevelEditorAsset.CloneTree();
mInstance.mEditorMain = mInstance.mLevelEditorUI.Q <VisualElement>("editor_data");
mInstance.CreateReorderableList();
return(mInstance.mLevelEditorUI);
}