update ui for file in setValue

src/ui/form_builder.js

@@ -767,13 +767,13 @@ morpheus.FormBuilder.prototype = {
 	},
 	setValue : function(name, value) {
 		var v = this.$form.find('[name=' + name + ']');
-
 		if (v.length === 0) {
 			v = this.$form.find('[name=' + name + '_picker]');
 			if (v.attr('type') === 'file') {
+				v.val(value);
+				v.selectpicker('render');
 				return v.data('files', value);
 			}
-
 		}
 		var type = v.attr('type');
 		var list = v.data('morpheus.checkbox-list');