Adapt form.field.ComboBoxMaster to the modified combo.select event.

static/plugin_dbui/src/form/field/ComboBoxMaster.js

@@ -184,15 +184,15 @@ Ext.define('Dbui.form.field.ComboBoxMaster', {
      * Reset the comBox when the selected row contains the emptyText value.
      *
      * @param {Dbui.form.field.ComboBoxUserReset} combo
-     * @param {Array} records
+     * @param {Ext.data.Model} record
      * @param {Object} eOpts
      */
-    onSelect: function (combo, records) {
+    onSelect: function (combo, record) {
 
         "use strict";
 
         // the value is null when the emptyText is selected
-        if (!records[0].get(combo.valueField)) {
+        if (!record.get(combo.valueField)) {
             combo.setValue("");
         }
     }