refactor: make returning param nullable instead of suppressing issue

Author: NikolaDmitrasinovic

Modules/Quotas/src/Quotas.Infrastructure/Persistence/Database/QueryableExtensions/IdentitiesQueryableExtensions.cs

@@ -10,8 +10,8 @@ public static async Task<IEnumerable<Identity>> WithTier(this IQueryable<Identit
         return identities;
     }
 
-    public static async Task<Identity> FirstWithAddress(this IQueryable<Identity> query, string address, CancellationToken cancellationToken)
+    public static async Task<Identity?> FirstWithAddress(this IQueryable<Identity> query, string address, CancellationToken cancellationToken)
     {
-        return (await query.Where(identity => identity.Address == address).FirstOrDefaultAsync(cancellationToken))!;
+        return await query.Where(identity => identity.Address == address).FirstOrDefaultAsync(cancellationToken);
     }
 }