[fixed] draggable grid view for row template (#3223)

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

@@ -744,7 +744,7 @@ frappe.ui.form.GridRow = Class.extend({
 			this.row_index.find('span').html(this.doc.idx);
 		}
 
-		this.row_display = $('<div class="row-data template-row">'+
+		this.row_display = $('<div class="row-data sortable-handle template-row">'+
 			+'</div>').appendTo(this.row)
 			.html(frappe.render(this.grid.template, {
 				doc: this.doc ? frappe.get_format_helper(this.doc) : null,