simplify variables names for templates, refactor to be multi-model

app/Mail/Acheminement.php

@@ -3,15 +3,14 @@
 namespace App\Mail;
 
 use App\Models\Core\Mail\MailTemplate;
+use App\Repositories\Shop\Traits\MailCustomers;
 use Illuminate\Bus\Queueable;
-use Illuminate\Mail\Mailables\Address;
-use Illuminate\Mail\Mailables\Envelope;
 use Illuminate\Queue\SerializesModels;
 use Spatie\MailTemplates\TemplateMailable;
 
 class Acheminement extends TemplateMailable
 {
-    use Queueable, SerializesModels;
+    use MailCustomers, Queueable, SerializesModels;
 
     protected static $templateModelClass = MailTemplate::class;
 
@@ -29,12 +28,4 @@ class Acheminement extends TemplateMailable
         $this->male = $user->gender == 1;
         $this->subject = $subject;
     }
-
-    public function envelope()
-    {
-        return new Envelope(
-            from: new Address('boutique@jardinenvie.com', 'Boutique Jardin\'Envie'),
-            subject: $this->subject,
-        );
-    }
 }