fix: substitute title and generate proper response

Signed-off-by: Pranav C <pranavxc@gmail.com>

packages/nocodb/src/db/BaseModelSqlv2.ts

@@ -1208,10 +1208,8 @@ class BaseModelSqlv2 {
       !this.isSqlite,
     );
 
-    let children = await this.execAndParse(finalQb, childTable);
-    if (this.isMySQL) {
-      children = children[0];
-    }
+    const children = await this.execAndParse(finalQb, childTable);
+
     const proto = await (
       await Model.getBaseModelSQL({
         id: rtnId,
@@ -4408,7 +4406,7 @@ class BaseModelSqlv2 {
     let data =
       this.isPg || this.isSnowflake
         ? (await this.dbDriver.raw(query))?.rows
-        : query.slice(0, 6) === 'select' && !this.isMssql
+        : /^(\(|)select/.test(query) && !this.isMssql
         ? await this.dbDriver.from(
             this.dbDriver.raw(query).wrap('(', ') __nc_alias'),
           )