Prevent clients from setting their species to whatever they want (spa…

…ce-wizards#25535) (SerbiaStrong-220#783)

Prevent epic hack

Co-authored-by: Debug <49997488+DebugOk@users.noreply.github.com>

Content.Shared/Preferences/HumanoidCharacterProfile.cs

@@ -401,7 +401,7 @@ public void EnsureValid(string[] sponsorMarkings)
         {
             var prototypeManager = IoCManager.Resolve<IPrototypeManager>();
 
-            if (!prototypeManager.TryIndex<SpeciesPrototype>(Species, out var speciesPrototype))
+            if (!prototypeManager.TryIndex<SpeciesPrototype>(Species, out var speciesPrototype) || speciesPrototype.RoundStart == false)
             {
                 Species = SharedHumanoidAppearanceSystem.DefaultSpecies;
                 speciesPrototype = prototypeManager.Index<SpeciesPrototype>(Species);