parent dialog: fix parent name field

src/components/TheParent.vue

@@ -21,6 +21,8 @@ function clickNode(clickedNode: UABaseNode) {
 
 watch(node, async (newNode, _oldNode) => {
   selectedRefType.value=newNode?.getParentRef()?.referenceType||"";
+  selectedParent.value=newNode?.getParent()||UABaseNode.nullBaseNode;
+
 })
 
 function okPressed() {