Add Overdosing Behaviour to Meth (#4949)

* Added debug bottle of meth as well as a damage increase on a Reagent Threshold

* fix for metabolism getting funked when there is a failed reaction condition

* removed max, raised minimum to 10

* reduced regular meth damage, increased overdose damage

Content.Server/Body/Metabolism/MetabolizerSystem.cs

@@ -106,7 +106,7 @@ namespace Content.Server.Body.Metabolism
                     }
 
                     if (!conditionsMet)
-                        return;
+                        continue;
 
                     // If we're part of a body, pass that entity to Metabolize
                     // Otherwise, just pass our owner entity, maybe we're a plant or something

Content.Server/Chemistry/ReagentEffects/HealthChange.cs

@@ -3,12 +3,14 @@ using Content.Shared.Chemistry.Reagent;
 using Robust.Shared.GameObjects;
 using Robust.Shared.Serialization.Manager.Attributes;
 using Content.Shared.Damage;
+using JetBrains.Annotations;
 
 namespace Content.Server.Chemistry.ReagentEffects
 {
     /// <summary>
     /// Default metabolism for medicine reagents.
     /// </summary>
+    [UsedImplicitly]
     public class HealthChange : ReagentEffect
     {
         /// <summary>