topnotch_website/app/Filament/Admin/Resources/UserResource/Pages/EditUser.php

<?php

namespace App\Filament\Admin\Resources\UserResource\Pages;

use App\Filament\Admin\Resources\UserResource;
use App\Models\User;
use Filament\Actions;
use Filament\Resources\Pages\EditRecord;

class EditUser extends EditRecord
{
    protected static string $resource = UserResource::class;

    protected function getHeaderActions(): array
    {
        return [
            Actions\DeleteAction::make()
                ->disabled(fn (User $record) => $record->id == auth()->user()->id),
        ];
    }
}