improve handling of toString arg in schema

frontend/src/lib/components/ArgInput.svelte

@@ -141,7 +141,9 @@
 		defaultValue?: any,
 		nnullable?: boolean
 	) {
-		console.log(value)
+		if (label == 'toString' && typeof value == 'function') {
+			value = undefined
+		}
 		if ((value == undefined || value == null) && !ignoreValueUndefined) {
 			value = defaultValue
 			if (defaultValue === undefined || defaultValue === null) {

frontend/src/lib/components/SchemaForm.svelte

@@ -120,6 +120,7 @@
 				schema.properties = n
 			}
 			let nkeys = Object.keys(schema.properties ?? {})
+
 			if (!deepEqual(keys, nkeys)) {
 				keys = nkeys
 				dispatch('change')