旧版前端工程文件导入时版本对比查验、审阅与仿真时部分阻挡功能实现；前端参数输入格式统一规范

frontend/tests/e2e/component-symbols.spec.ts

@@ -2864,7 +2864,7 @@ test("缺失或错误工程版本、字符串端口和缺失 Handle 均拒绝恢
       if (invalidVariant === "missing-version") {
         delete project.projectSchemaVersion;
       } else if (invalidVariant === "wrong-version") {
-        project.projectSchemaVersion = 2;
+        project.projectSchemaVersion = 3;
       } else if (invalidVariant === "string-port") {
         project.nodes[0].data.ports = ["port_1"];
       } else {