Can't coerce a Medoo::raw value to JSON

[logicalor]

Information

• Version of Medoo: 2.1.2
• Type of Database: MySQL 5.7
• System (Liunx\Windows\Mac): Linux

Describe the Problem
If JSON type is applied to a column label but the value is a Medoo::raw statement, the value resolves to a string, not a JSON object.

Detail Code
In some circumstances, it is useful to generate a JSON from the result of a Medoo::raw statement. One such example is where one is performing a 1:many join, and one wishes to build a JSON object by using GROUP_CONCAT. An example is as follows:

$select = [
  ...
  'aggregated [JSON]' => Medoo::raw("CONCAT('[', GROUP_CONCAT(JSON_OBJECT('somevalue',`joined_table`.`somevalue`,'anothervalue',`joined_table`.`anothervalue`)), ']')
];

In line 1349 of Medoo.php, the preg_match for column keys doesn't match Object or JSON types.

...
                    [$columnKey, 'String'];
            } elseif ($this->isRaw($value)) {
                preg_match('/([\p{L}_][\p{L}\p{N}@$#\-_]*\.)?(?<column>[\p{L}_][\p{L}\p{N}@$#\-_]*)(\s*\[(?<type>(String|Bool|Int|Number|Object|JSON))\])?/u', $key, $keyMatch);
                $columnKey = $keyMatch['column'];
...

So the above mapping ends up producing a String in Medoo's result.

I am not sure if the Object and JSON type keywords are missing from the pattern intentionally or accidentally.

Expected output

A column with the type set to JSON and a value that is a Medoo::raw statement should return JSON, not a string.