Api: Fix Et2TreeDropdown lazy-load / initial load still conflicted after 2e469a00de

api/js/etemplate/Et2Tree/Et2Tree.ts

@@ -42,8 +42,23 @@ export type TreeItemData = SelectOption & {
 
 	nocheckbox: number | Boolean,
 	open: 0 | 1,
-	parent: String,
+	/**
-	text: String,
+	 * @deprecated Use "value"
+	 */
+	id : string,
+	/**
+	 * @deprecated No longer used, the nested data structure is used instead
+	 */
+	parent : string,
+	/**
+	 * @deprecated Use "label"
+	 */
+	text : string,
+	/**
+	 * @deprecated Use "children"
+	 */
+	item : object[],
+
 	tooltip: String,
 	userdata: any[]
 	//here we can store the number of unread messages, if there are any
@@ -1028,7 +1043,7 @@ export class Et2Tree extends Et2WidgetWithSelectMixin(LitElement) implements Fin
                                 parentNode.open = false;
                                 this.requestUpdate("lazy", "true");
 							}
-                            this.getDomNode(parentNode.id).loading = false
+                            this.getDomNode(parentNode.id ?? parentNode.value).loading = false
                             this.requestUpdate("_selectOptions")
                         })
 

api/js/etemplate/Et2Tree/Et2TreeDropdown.ts

@@ -161,6 +161,17 @@ export class Et2TreeDropdown extends SearchMixin<Constructor<any> & Et2InputWidg
 		document.addEventListener("click", this.handleDocumentClick);
 	}
 
+	firstUpdated()
+	{
+		let options = this.multiple || !this.emptyLabel ? this.select_options : [{
+			value: "",
+			label: this.emptyLabel
+		}, ...this.select_options];
+
+		this._tree._selectOptions = <TreeItemData[]>options;
+		this._tree.requestUpdate("_selectOptions");
+	}
+
 	disconnectedCallback()
 	{
 		super.disconnectedCallback();