!9938 Button FontSize为负数场景的xts修复

Merge pull request !9938 from 邹林肯/origin_xts2

arkui/ace_ets_component_three/entry/src/main/ets/test/ButtonJsunit.test.ets

@@ -169,7 +169,7 @@ export default function buttonJsunit() {
       let strJsonNew = getInspectorByKey('button2');
       let objNew = JSON.parse(strJsonNew);
       console.info("[testButton07] component objNew is: " + JSON.stringify(objNew));
-      expect(objNew.$attrs.fontSize).assertEqual('-1.00fp');
+      expect(objNew.$attrs.fontSize).assertEqual('16.00fp');
       done();
     });