Merged PR 212: Optimize FindChildrenById from O(n) to O(1)

Optimize FindChildrenById from O(n) to O(1):
- Deprecate FindContainerByIdDFS
- Container: Replace Children to string[]
- Add HashMap to IHistoryState that contains all containers

To access a container by id now cost O(1) without any additional cost

+ Implement CICD for SVGLibs

src/Components/Editor/Editor.tsx

@@ -274,7 +274,7 @@ export function Editor(props: IEditorProps): JSX.Element {
   // Render
   const configuration = props.configuration;
   const current = GetCurrentHistoryState(history, historyCurrentStep);
-  const selected = FindContainerById(current.mainContainer, current.selectedContainerId);
+  const selected = FindContainerById(current.containers, current.selectedContainerId);
 
   return (
     <div ref={editorRef} className="Editor font-sans h-full">