UI7 Add Containers to Layout

- Hotfix in CommandPool
- Add UI7 ItemRowHeight (Universal Item Size/Height)
- Add Containers to Layout
- Add ColorEdit to Menu
- Switch Back to COlorEdit in UI7::StyleEditor
- Add DrawList Layer Sorting to UI7 (Not working as expected)
- STart Work at ColorEdit container

pd/lithium/source/command.cpp

@@ -65,6 +65,7 @@ PD_LITHIUM_API void PD::Li::CmdPool::Copy(CmdPool& p) {
 }
 
 PD_LITHIUM_API void PD::Li::CmdPool::Sort() {
+  if (pPoolIdx < 2) return;
   std::sort(begin(), end(), pTheOrder);
 }