Override default validation attribute

[ajcastro]

The default code for validation attribute is using Str::lcfirst($this->getLabel()) which is repeated on the following places:

• vendor\filament\actions\src\Imports\ImportColumn.php getValidationAttribute()
• vendor\filament\forms\src\Components\Concerns\CanBeValidated.php getValidationAttribute()
• vendor\filament\tables\src\Columns\Concerns\CanBeValidated.php getValidationAttribute()

I would like to override this behavior for example replacing the code with:

Str::lower($this->getLabel())

Idea:
Probably we can add a static $defaultValidationAttributeCallback on those three then register those callback on service provider.

use Filament\Actions\Imports\ImportColumn;
use Filament\Forms\Components\Concerns\CanBeValidated;
use Filament\Tables\Columns\Concerns\CanBeValidated as TableCanBeValidated;


ImportColumn::registerDefaultValidationAttribute(fn (ImportColumn $component) => Str::lower($component->getLabel()) );
CanBeValidated::registerDefaultValidationAttribute(fn ($component) => Str::lower($component->getLabel()) );
TableCanBeValidated::registerDefaultValidationAttribute(fn ($component) => Str::lower($component->getLabel()) );

if this were not registered in service provider, validation attribute will behave originally.