[PM-24797] Hidden custom fields for new ciphers (#16198)

* allow for hidden fields to be moved/edited when adding a cipher

* disable drag when the field cannot be edited

libs/vault/src/cipher-form/components/custom-fields/custom-fields.component.html

@@ -22,6 +22,7 @@
         }"
         [attr.data-testid]="field.value.name + '-entry'"
         cdkDrag
+        [cdkDragDisabled]="!canEdit(field.value.type)"
         #customFieldRow
       >
         <!-- Text Field -->

libs/vault/src/cipher-form/components/custom-fields/custom-fields.component.ts

@@ -150,7 +150,9 @@ export class CustomFieldsComponent implements OnInit, AfterViewInit {
   canEdit(type: FieldType): boolean {
     return (
       !this.isPartialEdit &&
-      (type !== FieldType.Hidden || this.cipherFormContainer.originalCipherView?.viewPassword)
+      (type !== FieldType.Hidden ||
+        this.cipherFormContainer.originalCipherView === null ||
+        this.cipherFormContainer.originalCipherView.viewPassword)
     );
   }