Error when DB connection does not provide query grammar

[rikwillems]

In my app I'm using the-tinderbox/clickhouse-builder to make a connection to ClickHouse. This connection doesn't provide a query grammar in the class constructor. This leads to an error in the debugbar:

method_exists(): Argument #1 ($object_or_class) must be of type object|string, null given

This related to this line:

laravel-debugbar/src/DataCollector/QueryCollector.php

Line 633 in 7fa0a65

if ($query['type'] === 'query' && $this->renderSqlWithParams && method_exists(DB::connection($query['connection'])->getQueryGrammar(), 'substituteBindingsIntoRawSql')) {

As DB::connection($query['connection'])->getQueryGrammar() is returning null we see the error.

I'm preparing a PR and hope you are willing it merge it.