Add default payment provider

Author: daveearley

backend/database/migrations/2025_01_20_035401_add_default_payment_provider.php

@@ -0,0 +1,19 @@
+<?php
+
+use HiEvents\DomainObjects\Enums\PaymentProviders;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        DB::table('event_settings')
+            ->whereNull('payment_provider')
+            ->update(['payment_provider' => [PaymentProviders::STRIPE->name]]);
+    }
+
+    public function down(): void
+    {
+        // noop
+    }
+};