feat: Use V2 API's in Console (#9312)

# Which Problems Are Solved
Solves #8976

# Additional Changes
I have done some intensive refactorings and we are using the new
@zitadel/client package for GRPC access.

# Additional Context
- Closes #8976

---------

Co-authored-by: Max Peintner <[email protected]>

console/src/app/utils/pairwiseStartWith.ts

@@ -0,0 +1,11 @@
+import { Observable } from 'rxjs';
+import { map, pairwise, startWith } from 'rxjs/operators';
+
+export function pairwiseStartWith<T, R>(start: T) {
+  return (source: Observable<R>) =>
+    source.pipe(
+      startWith(start),
+      pairwise(),
+      map(([prev, curr]) => [prev, curr] as [T | R, R]),
+    );
+}