[Fix] Link formatter, Indicator not showing in the item link field for stock entry (#4966)

* [Fix] Link formatter, Indicator not showing in the item link field for stock entry

* Handle empty df

frappe/public/js/frappe/form/grid.js

@@ -508,6 +508,14 @@ frappe.ui.form.Grid = Class.extend({
 					}
 					df.colsize = colsize;
 				}
+				
+				// attach formatter on refresh
+				if (df.fieldtype == 'Link' && !df.formatter) {
+					const docfield = frappe.meta.docfield_map[df.parent][df.fieldname];
+					if (docfield && docfield.formatter) {
+						df.formatter = docfield.formatter;
+					}
+				}
 
 				total_colsize += df.colsize;
 				if(total_colsize > 11)

frappe/public/js/legacy/client_script_helpers.js

@@ -433,7 +433,7 @@ _f.Frm.prototype.set_indicator_formatter = function(fieldname, get_color, get_te
 		})
 	}
 
-	frappe.meta.get_docfield(doctype, fieldname, this.doc.name).formatter =
+	frappe.meta.docfield_map[doctype][fieldname].formatter =
 		function(value, df, options, doc) {
 			if(value) {
 				return repl('<a class="indicator %(color)s" href="#Form/%(doctype)s/%(name)s">%(label)s</a>', {