[FIX] Tiki PHP 8.4 deprecation: Resolve Implicitly marking a parameter as nullable is deprecated since PHP 8.4
Resolve Deprecations:
18 | WARNING | Implicitly marking a parameter as nullable is deprecated since
| | PHP 8.4. Update the type to be explicitly nullable instead.
| | Found implicitly nullable parameter: $encoding.
| | (PHPCompatibility.FunctionDeclarations.RemovedImplicitlyNullableParam.Deprecated)