Refactor SupplierTest to use permission setup function and enhance phone number validation tests

- Introduced `giveSupplierPermissions` function to streamline user permission setup for supplier tests.
- Updated all supplier-related tests to utilize the new permission setup function.
- Enhanced phone number validation tests to accept various formats and special characters.
- Removed redundant tests related to unsupported phone number formats.
- Consolidated tests for supplier creation and updates to improve readability and maintainability.

app/Listeners/NotifyDeveloperOnError.php

@@ -17,7 +17,11 @@ public function handle(MessageLogged $event): void
             return;
         }
 
-        $developers = User::role('Developer')->where('is_active', true)->get();
+        try {
+            $developers = User::role('Developer')->where('is_active', true)->get();
+        } catch (\Throwable) {
+            return;
+        }
 
         if ($developers->isEmpty()) {
             return;