!769 fix：修复 vue2 代码生成后 api 导入路径不正确的问题

Merge pull request !769 from puhui999/feature/sub-table

yudao-module-infra/yudao-module-infra-biz/src/main/java/cn/iocoder/yudao/module/infra/service/codegen/inner/CodegenEngine.java

@@ -103,7 +103,7 @@ public class CodegenEngine {
             .put(CodegenFrontTypeEnum.VUE2.getType(), vueTemplatePath("views/index.vue"),
                     vueFilePath("views/${table.moduleName}/${table.businessName}/index.vue"))
             .put(CodegenFrontTypeEnum.VUE2.getType(), vueTemplatePath("api/api.js"),
-                    vueFilePath("api/${table.moduleName}/${classNameVar}.js"))
+                    vueFilePath("api/${table.moduleName}/${table.businessName}/index.js"))
             .put(CodegenFrontTypeEnum.VUE2.getType(), vueTemplatePath("views/form.vue"),
                     vueFilePath("views/${table.moduleName}/${table.businessName}/${simpleClassName}Form.vue"))
             .put(CodegenFrontTypeEnum.VUE2.getType(), vueTemplatePath("views/components/form_sub_normal.vue"),  // 特殊：主子表专属逻辑