因JSON.parse解析数字返回类型修正为double，调整相关示例

uni_modules/uts-tests/utssdk/UTSJSONObject.uts

@@ -57,7 +57,7 @@ export function testUTSJSONObject() : Result {
       }
       let data2 = JSON.parse<UTSJSONObject>(JSON.stringify(data1))
       
-      expect(data2!.toJSONString()).toEqual('{"str":"test","num":1,"num2":2.369}')
+      expect(data2!.toJSONString()).toEqual('{"str":"test","num":1.0,"num2":2.369}')
       
       class TestData2 implements IJSONStringify{
       	toJSON():any|null{

uni_modules/uts-tests/utssdk/console.uts

@@ -30,7 +30,7 @@ export function testConsole() : Result {
       
       let aj2 = JSON.parse('{"a":1}') as UTSJSONObject;
       
-      expect(obtainInnerObject(aj2['a']).get("type")).toEqual("Int");
+      expect(obtainInnerObject(aj2['a']).get("type")).toEqual("Double");
       expect(obtainInnerObject(aj2['a']).get("subType")).toEqual("number");
       
       // #endif