fix IsAdmin macht server kaputt

ReallifeGamemode.Database/Entities/User.cs

@@ -120,7 +120,6 @@ namespace ReallifeGamemode.Database.Entities
 
     public bool WeaponLicense { get; set; } = false;
 
-    public bool IsAdmin(AdminLevel level) => AdminLevel >= level;
     public int Points { get; set; }
 
     public int otheramount { get; set; } = 0;

ReallifeGamemode.Server/Extensions/ClientExtension.cs

@@ -7,6 +7,7 @@ using Newtonsoft.Json;
 using ReallifeGamemode.Database.Entities;
 using ReallifeGamemode.Database.Models;
 using ReallifeGamemode.Server.Services;
+using ReallifeGamemode.Server.Types;
 
 /**
 * @overview Life of German Reallife - Player Extension (PlayerExtension.cs)
@@ -232,5 +233,14 @@ namespace ReallifeGamemode.Server.Extensions
         return dbContext.UserItems.Where(u => u.UserId == user.Id).ToList();
       }
     }
+
+    public static bool IsAdmin(this User user, AdminLevel adminLevel)
+    {
+      if(user == null)
+      {
+        return false;
+      }
+      return user.AdminLevel >= adminLevel;
+    }
   }
 }