Fix: Username unique index was case sensitive and this allowed duplicate names.

Feature: Moved temporal products into their own module and reverted the products module

bookie/src/app/auth/login/login.component.ts

@@ -61,7 +61,7 @@ export class LoginComponent implements OnInit, AfterViewInit {
       // .pipe(first())
       .subscribe(
         () => {
-          this.router.navigate([this.returnUrl]);
+          this.router.navigateByUrl(this.returnUrl);
         },
         (error) => {
           if (error.status === 401 && error.error.detail === 'Device is not registered') {