php8.1 - Fatal error: Uncaught Exception: Deprecated Functionality: explode(): Passing null to parameter #2 ($string) of type string is deprecated

[WebKenth]

It is possible for this configuration to be null, and is directly passed into an explode function

As of php8.1 this is no longer accepted

https://github.com/mirasvit/module-profiler/blob/874c2d85d18aa1555cf541c36dc08da7b2a56171/src/Profiler/Model/Config.php#L140