Predict healing and bloodstream (#38690)

* initial commit

* reapply 38126

* fix rootable

* someone missed an important minus sign here

* try this

* fix

* fix

* reenable crit hits

* cleanup

* fix status time dirtying

* fix

* camelCase

Content.Server/Medical/VomitSystem.cs

@@ -1,4 +1,3 @@
-using Content.Server.Body.Components;
 using Content.Server.Body.Systems;
 using Content.Server.Fluids.EntitySystems;
 using Content.Server.Forensics;