fix: make all the configuration wizards work (#2267)

Correct labels in the context of the wizards, make no wizard terminates
prematurely, make modal windows appear well positioned.

Fixes: WEB-11

src/app/system/roles-and-permissions/roles-and-permissions.component.ts

@@ -140,7 +140,7 @@ export class RolesAndPermissionsComponent implements OnInit, AfterViewInit {
     this.configurationWizardService.showRolesandPermissionPage = false;
     this.configurationWizardService.showRolesandPermissionList = false;
     this.configurationWizardService.showUsers = true;
-    this.router.navigate(['/users']);
+    this.router.navigate(['/appusers']);
   }
 
   /**