Gun refactor (#8301)

Co-authored-by: Kara <lunarautomaton6@gmail.com>
Co-authored-by: T-Stalker <le0nel_1van@hotmail.com>
Co-authored-by: T-Stalker <43253663+DogZeroX@users.noreply.github.com>
Co-authored-by: ElectroJr <leonsfriedrich@gmail.com>
Co-authored-by: metalgearsloth <metalgearsloth@gmail.com>

Content.Server/Weapon/Ranged/Systems/GunSystem.Revolver.cs

@@ -0,0 +1,17 @@
+using Content.Shared.Weapons.Ranged.Components;
+
+namespace Content.Server.Weapon.Ranged.Systems;
+
+public sealed partial class GunSystem
+{
+    protected override void SpinRevolver(RevolverAmmoProviderComponent component, EntityUid? user = null)
+    {
+        base.SpinRevolver(component, user);
+        var index = Random.Next(component.Capacity);
+
+        if (component.CurrentIndex == index) return;
+
+        component.CurrentIndex = index;
+        Dirty(component);
+    }
+}