Fix rotation visuals desync & appearance state spam (#23016)

* Fix rotation visuals desync

* :bucklemeup:

* A

Content.Shared/Rotation/RotationVisualsComponent.cs

@@ -0,0 +1,43 @@
+using Robust.Shared.GameStates;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Rotation;
+
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class RotationVisualsComponent : Component
+{
+    /// <summary>
+    /// Default value of <see cref="HorizontalRotation"/>
+    /// </summary>
+    [DataField]
+    public Angle DefaultRotation = Angle.FromDegrees(90);
+
+    [DataField]
+    public Angle VerticalRotation = 0;
+
+    [DataField, AutoNetworkedField]
+    public Angle HorizontalRotation = Angle.FromDegrees(90);
+
+    [DataField]
+    public float AnimationTime = 0.125f;
+}
+
+[Serializable, NetSerializable]
+public enum RotationVisuals
+{
+    RotationState
+}
+
+[Serializable, NetSerializable]
+public enum RotationState
+{
+    /// <summary>
+    ///     Standing up. This is the default value.
+    /// </summary>
+    Vertical = 0,
+
+    /// <summary>
+    ///     Laying down
+    /// </summary>
+    Horizontal,
+}