implement renaming feature for vorgang

UI and backend logic
make ´NameItemEditor´ reusable to be able to use with Vorgang

src/lib/components/NameItemEditor.svelte

@@ -13,7 +13,8 @@
 	// props, old syntax
 	export let list: ListItem[] = [];
 	export let currentName: string;
-	export let onSave: (n: string, o: string) => unknown = () => {};
+	export let vorgangToken: string | null;
+	export let onSave: (n: string, o: string, t?: string) => unknown = () => {};
 	export let onDelete: (n: string) => unknown = () => {};
 
 	let localName = currentName;
@@ -43,8 +44,10 @@
 	}
 
 	function commitEdit() {
-		if (!error && localName != currentName) onSave(localName, currentName);
-
+		if (!error && localName != currentName) onSave(localName, currentName, vorgangToken);
+		// restore original value
+		if (error) { localName = currentName }
+		
 		isEditing = false;
 	}
 
@@ -54,7 +57,8 @@
 	}
 
 	function handleDeleteClick() {
-		onDelete(currentName);
+		// vorgangToken defined when deleting Vorgang, otherwise Crime
+		onDelete(vorgangToken || currentName);
 	}
 </script>