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/ui7/source/container/checkbox.cpp

@@ -61,6 +61,7 @@ PD_UI7_API void Checkbox::Draw() {
 
 PD_UI7_API void Checkbox::Update() {
   // Assert(io.get(), "Did you run Container::Init correctly?");
+  cbs = io->ItemRowHeight;
   this->SetSize(cbs + fvec2(tdim.x + io->ItemSpace.x, 0));
 }
 }  // namespace UI7