Revert "[CL-622][CL-562][CL-621][CL-632] various drawer improvements (#14120)" (#14827)

This reverts commit a0429d7d09.

libs/components/src/utils/has-scrolled-from.ts

@@ -1,41 +0,0 @@
-import { CdkScrollable } from "@angular/cdk/scrolling";
-import { Signal, inject, signal } from "@angular/core";
-import { toObservable, toSignal } from "@angular/core/rxjs-interop";
-import { map, startWith, switchMap } from "rxjs";
-
-export type ScrollState = {
-  /** `true` when the scrollbar is not at the top-most position */
-  top: boolean;
-
-  /** `true` when the scrollbar is not at the bottom-most position */
-  bottom: boolean;
-};
-
-/**
- * Check if a `CdkScrollable` instance has been scrolled
- * @param scrollable The instance to check, defaults to the one provided by the current injector
- * @returns {Signal<ScrollState>}
- */
-export const hasScrolledFrom = (scrollable?: Signal<CdkScrollable>): Signal<ScrollState> => {
-  const _scrollable = scrollable ?? signal(inject(CdkScrollable));
-  const scrollable$ = toObservable(_scrollable);
-
-  const scrollState$ = scrollable$.pipe(
-    switchMap((_scrollable) =>
-      _scrollable.elementScrolled().pipe(
-        startWith(null),
-        map(() => ({
-          top: _scrollable.measureScrollOffset("top") > 0,
-          bottom: _scrollable.measureScrollOffset("bottom") > 0,
-        })),
-      ),
-    ),
-  );
-
-  return toSignal(scrollState$, {
-    initialValue: {
-      top: false,
-      bottom: false,
-    },
-  });
-};