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.Client/Weapons/Ranged/Systems/GunSystem.Magazine.cs

@@ -0,0 +1,29 @@
+using Content.Shared.Weapons.Ranged;
+
+namespace Content.Client.Weapons.Ranged.Systems;
+
+public sealed partial class GunSystem
+{
+    protected override void InitializeMagazine()
+    {
+        base.InitializeMagazine();
+        SubscribeLocalEvent<MagazineAmmoProviderComponent, UpdateAmmoCounterEvent>(OnMagazineAmmoUpdate);
+    }
+
+    private void OnMagazineAmmoUpdate(EntityUid uid, MagazineAmmoProviderComponent component, UpdateAmmoCounterEvent args)
+    {
+        var ent = GetMagazineEntity(uid);
+
+        if (ent == null)
+        {
+            if (args.Control is DefaultStatusControl control)
+            {
+                control.Update(0, 0);
+            }
+
+            return;
+        }
+
+        RaiseLocalEvent(ent.Value, args, false);
+    }
+}