Various changes and fixes for things that have been bugging me

Removed/flagged unused props
Typo fixes
Use `FirstOrDefault` over direct index access
Log stacktrace on exception inside `CreateWeaponItems`

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

@@ -140,7 +140,7 @@ public class TraderController(
     {
         var traders = new List<TraderBase>();
         var pmcData = _profileHelper.GetPmcProfile(sessionId);
-        foreach (var (traderId, data) in _databaseService.GetTables().Traders)
+        foreach (var (traderId, _) in _databaseService.GetTables().Traders)
         {
             traders.Add(_traderHelper.GetTrader(traderId, sessionId));