JSY-25637 feat:增加defaultText

src/component/allvaluechooser/combo.allvaluechooser.js

@@ -34,6 +34,7 @@ BI.AllValueChooserCombo = BI.inherit(BI.AbstractAllValueChooser, {
             valueFormatter: BI.bind(this._valueFormatter, this),
             width: o.width,
             height: o.height,
+            defaultText: o.defaultText,
             value: this._assertValue({
                 type: BI.Selection.Multi,
                 value: o.value || []