fix: Check if df.options exists before setting docfields

Fixes: https://github.com/frappe/frappe/issues/12793

frappe/public/js/frappe/form/grid_row.js

@@ -5,7 +5,7 @@ export default class GridRow {
 		this.on_grid_fields_dict = {};
 		this.on_grid_fields = [];
 		$.extend(this, opts);
-		if (this.doc) {
+		if (this.doc && this.parent_df.options) {
 			this.docfields = frappe.meta.get_docfields(this.parent_df.options, this.doc.name);
 		}
 		this.columns = {};
@@ -255,6 +255,7 @@ export default class GridRow {
 		this.grid.visible_columns.forEach((col, ci) => {
 			// to get update df for the row
 			let df = this.docfields.find(field => field.fieldname === col[0].fieldname);
+
 			let colsize = col[1];
 			let txt = this.doc ?
 				frappe.format(this.doc[df.fieldname], df, null, this.doc) :