!99 feat: DBMS新增kingbaseES、vastbase，还有一些优化

* refactor: 重构机器列表展示
* fix：修复编辑表问题
* refactor: 优化下拉实例显示
* feat: DBMS新增kingbaseES(已测试postgres、oracle兼容模式) 、vastbase

server/internal/db/dbm/oracle/dialect.go

@@ -242,7 +242,7 @@ func (od *OracleDialect) GetSchemas() ([]string, error) {
 	}
 	schemaNames := make([]string, 0)
 	for _, re := range res {
-		schemaNames = append(schemaNames, anyx.ConvString(re["SCHEMA_NAME"]))
+		schemaNames = append(schemaNames, anyx.ConvString(re["USERNAME"]))
 	}
 	return schemaNames, nil
 }