fix: mops with liquid can hit people again (#38486)

Content.Server/Fluids/EntitySystems/PuddleSystem.Spillable.cs

@@ -69,7 +69,8 @@ public sealed partial class PuddleSystem
         if (totalSplit == 0)
             return;
 
-        args.Handled = true;
+        // Optionally allow further melee handling occur
+        args.Handled = entity.Comp.PreventMelee;
 
         // First update the hit count so anything that is not reactive wont count towards the total!
         foreach (var hit in args.HitEntities)