Default to 0.0.0.0 if IP header not found

This reverts commit f58a3c9483.

app/Models/GuestbookEntry.php

@@ -25,7 +25,7 @@ public static function create(Request $request): GuestbookEntry {
         $newEntry = new GuestbookEntry;
         $newEntry->name = $request->get('name');
         $newEntry->message = $request->get('message');
-        $newEntry->ip = $request->header('X-Forwarded-For') ?: $request->ip();
+        $newEntry->ip = $request->header('X-Forwarded-For') ?: '0.0.0.0';
         $newEntry->agent = $request->userAgent();
         $newEntry->flagged = true;
         $newEntry->save();

config/app.php

@@ -5,7 +5,7 @@
 
 return [
     'name' => env('APP_NAME', 'wah.moe'),
-    'version' => '2026.02.24',
+    'version' => '2026.02.24-patch0',
     'env' => env('APP_ENV', 'production'),
     'debug' => (bool)env('APP_DEBUG', false),
     'url' => env('APP_URL', 'http://localhost'),