Update linked ComboBox to sort displayed values in alphabetic order.

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

@@ -21,6 +21,9 @@
  *
  * Several slaves can be bind to the same master.
  *
+ * Value displayed in the Master as well as in the Slave are sorted in
+ * alphabetic order.
+ *
  * @since 0.6.0.0
  *
  */
@@ -198,6 +201,8 @@ Ext.define("Dbui.form.field.ComboBoxMaster", {
                 store.add(record);
             }
         }
+
+        store.sort(displayField, "ASC");
     },
 
     /**

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

@@ -231,6 +231,8 @@ Ext.define("Dbui.form.field.ComboBoxSlave", {
                 store.add(record);
             }
         }
+
+        store.sort(displayField, "ASC");
     },
 
     /**