Improve MongoIds (#537)

* Mongoid improvements pt1

* Format Style Fixes

* Fix incorrect string

* Fix != comparison

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Co-authored-by: sp-tarkov-bot <singleplayertarkov@gmail.com>

Libraries/SPTarkov.Server.Core/Controllers/RepeatableQuestController.cs

@@ -378,7 +378,7 @@ public class RepeatableQuestController(
             .ToList();
 
         var traderId = randomUtil.DrawRandomFromList(traders).FirstOrDefault();
-        if (traderId.IsEmpty())
+        if (traderId.IsEmpty)
         {
             logger.Error(serverLocalisationService.GetText("repeatable-unable_to_find_trader_in_pool"));