mgr/dashboard: fix smb cluster placement

Fixes: https://tracker.ceph.com/issues/70757
Signed-off-by: Pedro Gonzalez Gomez <[email protected]>

Author: Pegonzal

src/pybind/mgr/dashboard/frontend/src/app/ceph/smb/smb-cluster-form/smb-cluster-form.component.ts

@@ -217,8 +217,8 @@ export class SmbClusterFormComponent extends CdForm implements OnInit {
   }
 
   multiSelector(event: any, field: 'label' | 'hosts') {
-    if (field === PLACEMENT.host) this.selectedLabels = event.map((label: any) => label.content);
-    else this.selectedHosts = event.map((host: any) => host.content);
+    if (field === PLACEMENT.host) this.selectedHosts = event.map((host: any) => host.content);
+    else this.selectedLabels = event.map((label: any) => label.content);
   }
 
   onAuthModeChange() {