Give kammerer tighter spread so it's not a complete downgrade to the enforcer (#37616)

Content.Shared/Weapons/Ranged/Components/GunSpreadModifierComponent.cs

@@ -0,0 +1,16 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Weapons.Ranged.Components;
+
+/// <summary>
+/// This component modifies the spread of the gun it is attached to.
+/// </summary>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class GunSpreadModifierComponent: Component
+{
+    /// <summary>
+    /// A scalar value multiplied by the spread built into the ammo itself.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public float Spread = 1;
+}