Split Door Bolt functionality out of AirlockDoor (#16354)

Content.Client/Doors/DoorBoltSystem.cs

@@ -0,0 +1,12 @@
+using Content.Client.Wires.Visualizers;
+using Content.Shared.Doors.Components;
+using Content.Shared.Doors.Systems;
+using Robust.Client.Animations;
+using Robust.Client.GameObjects;
+
+namespace Content.Client.Doors;
+
+public sealed class DoorBoltSystem : SharedDoorBoltSystem
+{
+    // Instantiate sub-class on client for prediction.
+}