Only write InvalidOrUnloadableProfile if it's not null

Libraries/SPTarkov.Server.Core/Models/Eft/Profile/SptProfile.cs

@@ -104,8 +104,9 @@ public record Info
     [JsonPropertyName("edition")]
     public string? Edition { get; set; }
 
-    [JsonIgnore]
-    public bool InvalidOrUnloadableProfile { get; internal set; } = false;
+    [JsonPropertyName("invalidOrUnloadableProfile")]
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public bool? InvalidOrUnloadableProfile { get; internal set; }
 }
 
 public record Characters

Libraries/SPTarkov.Server.Core/Servers/SaveServer.cs

@@ -215,7 +215,10 @@ public class SaveServer(
         }
 
         // We don't proceed further here as only one object in the profile has data in it.
-        if (profiles[sessionID].ProfileInfo!.InvalidOrUnloadableProfile)
+        if (
+            profiles[sessionID].ProfileInfo!.InvalidOrUnloadableProfile is not null
+            && profiles[sessionID].ProfileInfo!.InvalidOrUnloadableProfile!.Value
+        )
         {
             return;
         }
@@ -236,7 +239,10 @@ public class SaveServer(
     public async Task<long> SaveProfileAsync(MongoId sessionID)
     {
         // No need to save profiles that have been marked as invalid
-        if (profiles[sessionID].ProfileInfo!.InvalidOrUnloadableProfile)
+        if (
+            profiles[sessionID].ProfileInfo!.InvalidOrUnloadableProfile is not null
+            && profiles[sessionID].ProfileInfo!.InvalidOrUnloadableProfile!.Value
+        )
         {
             return 0;
         }