fix sms sender name validation

src/Entity/Organization/Parameters.php

@@ -70,7 +70,7 @@ class Parameters
     private bool $editCriteriaNotationByAdminOnly = true;
 
     #[ORM\Column(length: 11, nullable: true)]
-    #[Assert\Regex('/^[a-zA-Z0-9]+$/i', message: 'smsSenderName_error')]
+    #[Assert\Regex('/^\w{3,11}$/i', message: 'smsSenderName_error')]
     private ?string $smsSenderName = null;
 
     #[ORM\Column(options: ['default' => false])]