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

- add focus trap to drawers
- add config to open existing dialogs as drawers
- make drawer take up fill width/height on smaller screens

libs/components/src/drawer/drawer.service.ts

@@ -0,0 +1,20 @@
+import { Portal } from "@angular/cdk/portal";
+import { Injectable, signal } from "@angular/core";
+
+@Injectable({ providedIn: "root" })
+export class DrawerService {
+  private _portal = signal<Portal<unknown> | undefined>(undefined);
+
+  /** The portal to display */
+  portal = this._portal.asReadonly();
+
+  open(portal: Portal<unknown>) {
+    this._portal.set(portal);
+  }
+
+  close(portal: Portal<unknown>) {
+    if (portal === this.portal()) {
+      this._portal.set(undefined);
+    }
+  }
+}