Don't cancel normal suffocation

bukkit/src/main/java/us/myles/ViaVersion/bukkit/listeners/multiversion/PlayerSneakListener.java

@@ -102,8 +102,15 @@ public class PlayerSneakListener extends ViaBukkitListener {
 
         Player player = (Player) event.getEntity();
         if (!sneakingUuids.contains(player.getUniqueId())) return;
+
+        // Don't cancel when they should actually be suffocating; Essentially cancel when the head is in the top block only ever so slightly
+        // ~0.041 should suffice, but gotta stay be safe
+        double y = player.getEyeLocation().getY() + 0.045;
+        y -= (int) y;
+        if (y < 0.09) {
             event.setCancelled(true);
         }
+    }
 
     @EventHandler
     public void playerQuit(PlayerQuitEvent event) {