Rebalance fireaxe (#22731)

* Rebalance Fireaxe

* Nerf it a bit

Content.Server/Atmos/Components/IgniteOnMeleeHitComponent.cs

@@ -1,8 +1,11 @@
 namespace Content.Server.Atmos.Components;
 
+/// <summary>
+/// Component that can be used to add (or remove) fire stacks when used as a melee weapon.
+/// </summary>
 [RegisterComponent]
 public sealed partial class IgniteOnMeleeHitComponent : Component
 {
-    [DataField("fireStacks")]
+    [DataField]
     public float FireStacks { get; set; }
 }

Content.Server/Atmos/EntitySystems/FlammableSystem.cs

@@ -85,7 +85,8 @@ namespace Content.Server.Atmos.EntitySystems
                 if (!TryComp<FlammableComponent>(entity, out var flammable))
                     continue;
 
-                flammable.FireStacks += component.FireStacks;
+                AdjustFireStacks(entity, component.FireStacks, flammable);
+                if (component.FireStacks >= 0)
                     Ignite(entity, args.Weapon, flammable, args.User);
             }
         }

Resources/Prototypes/Entities/Objects/Weapons/Melee/fireaxe.yml

@@ -42,6 +42,8 @@
   - type: Prying
   - type: UseDelay
     delay: 1
+  - type: IgniteOnMeleeHit
+    fireStacks: -4
 
 - type: entity
   id: FireAxeFlaming