Chore: Upgraded to Angular v17 and all the refactoring for that

Chore: Updated all dependencies in overlord

overlord/src/app/purchase/purchase.component.ts

@@ -5,7 +5,7 @@ import { MatDialog } from '@angular/material/dialog';
 import { ActivatedRoute, Router } from '@angular/router';
 import { Hotkey, HotkeysService } from 'angular2-hotkeys';
 import { round } from 'mathjs';
-import * as moment from 'moment';
+import moment from 'moment';
 import { BehaviorSubject, Observable, of as observableOf } from 'rxjs';
 import { debounceTime, distinctUntilChanged, switchMap } from 'rxjs/operators';