Enhance user role checks and update card order tabs visibility

- Updated the isSystemUser method to include currency maintainers in role checks.
- Modified getTabs method in ListCardOrders to return an empty array for non-system users.
- Added a dehydrate state function for Turkmen phone numbers in UserForm schema.

app/Modules/CurrencyRate/Policies/CurrencyRatePolicy.php

@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Modules\CurrencyRate\Policies;
+
+use App\Modules\CurrencyRate\Models\CurrencyRate;
+use Illuminate\Auth\Access\HandlesAuthorization;
+use Illuminate\Foundation\Auth\User as AuthUser;
+
+class CurrencyRatePolicy
+{
+    use HandlesAuthorization;
+
+    public function viewAny(AuthUser $authUser): bool
+    {
+        return $authUser->can('ViewAny:CurrencyRate');
+    }
+
+    public function view(AuthUser $authUser, CurrencyRate $currencyRate): bool
+    {
+        return $authUser->can('View:CurrencyRate');
+    }
+
+    public function create(AuthUser $authUser): bool
+    {
+        return $authUser->can('Create:CurrencyRate');
+    }
+
+    public function update(AuthUser $authUser, CurrencyRate $currencyRate): bool
+    {
+        return $authUser->can('Update:CurrencyRate');
+    }
+
+    public function delete(AuthUser $authUser, CurrencyRate $currencyRate): bool
+    {
+        return $authUser->can('Delete:CurrencyRate');
+    }
+
+    public function restore(AuthUser $authUser, CurrencyRate $currencyRate): bool
+    {
+        return $authUser->can('Restore:CurrencyRate');
+    }
+
+    public function forceDelete(AuthUser $authUser, CurrencyRate $currencyRate): bool
+    {
+        return $authUser->can('ForceDelete:CurrencyRate');
+    }
+
+    public function forceDeleteAny(AuthUser $authUser): bool
+    {
+        return $authUser->can('ForceDeleteAny:CurrencyRate');
+    }
+
+    public function restoreAny(AuthUser $authUser): bool
+    {
+        return $authUser->can('RestoreAny:CurrencyRate');
+    }
+
+    public function replicate(AuthUser $authUser, CurrencyRate $currencyRate): bool
+    {
+        return $authUser->can('Replicate:CurrencyRate');
+    }
+
+    public function reorder(AuthUser $authUser): bool
+    {
+        return $authUser->can('Reorder:CurrencyRate');
+    }
+}

app/Modules/UserAdjustments/Traits/RoleCheckers.php

@@ -57,6 +57,6 @@ trait RoleCheckers
      */
     public function isSystemUser(): bool
     {
-        return $this->isAdmin() || $this->isOperator();
+        return $this->isAdmin() || $this->isOperator() || $this->isCurrencyMaintainer();
     }
 }