🐛 fix(query-editor): 修复视图与同义词补全

- 跨用户视图补全避免重复 owner 前缀
- 按结果集字段名去重视图列候选
- 加载 Oracle 私有及 PUBLIC 同义词并解析目标字段
- 补充跨用户视图与同义词回归测试

shared/i18n/ru-RU.json

@@ -6434,6 +6434,7 @@
   "query_editor.object_info.label.table": "Таблица",
   "query_editor.object_info.label.type": "Тип",
   "query_editor.object_info.materialized_view": "Материализованное представление",
+  "query_editor.object_info.synonym": "Синоним",
   "query_editor.object_info.table": "Таблица",
   "query_editor.placeholder.connection": "Выберите подключение",
   "query_editor.placeholder.database": "Выберите базу данных",