Merge pull request #15343 from sumaiya2908/empty-fetch-from-field

fix: Clear fetched field when link field is cleared

frappe/public/js/frappe/form/controls/link.js

@@ -456,8 +456,7 @@ frappe.ui.form.ControlLink = class ControlLink extends frappe.ui.form.ControlDat
 			this.docname, value);
 	}
 	validate_link_and_fetch(df, options, docname, value) {
-		if (!value) return;
-
+		let field_value = "";
 		const fetch_map = this.fetch_map;
 		const columns_to_fetch = Object.values(fetch_map);
 
@@ -471,15 +470,16 @@ frappe.ui.form.ControlLink = class ControlLink extends frappe.ui.form.ControlDat
 			docname: value,
 			fields: columns_to_fetch,
 		}).then((response) => {
-			if (!response || !response.name) return null;
 			if (!docname || !columns_to_fetch.length) return response.name;
 
 			for (const [target_field, source_field] of Object.entries(fetch_map)) {
+				if (value) field_value = response[source_field];
+
 				frappe.model.set_value(
 					df.parent,
 					docname,
 					target_field,
-					response[source_field],
+					field_value,
 					df.fieldtype,
 				);
 			}