refactor(ivy): LContainer now stored in LView[PARENT] (#28382)

- Removes CONTAINER_INDEX
- LView[PARENT] now contains LContainer when necessary
- Removes now unused arguments to methods after refactor

PR Close #28382

packages/core/src/render3/component.ts

@@ -134,7 +134,7 @@ export function renderComponent<T>(
     component = createRootComponent(
         componentView, componentDef, rootView, rootContext, opts.hostFeatures || null);
 
-    addToViewTree(rootView, HEADER_OFFSET, componentView);
+    addToViewTree(rootView, componentView);
 
     refreshDescendantViews(rootView);  // creation mode pass
     rootView[FLAGS] &= ~LViewFlags.CreationMode;