Timestop spell (#370)

* - tweak: Tweak mindswap.

* - fix: Mindswap and cult fixes.

* - add: Timestop v1.

* - add: Timestop spell.

* - remove: What?

* - fix: Fixes.

Content.Shared/_White/Wizard/Timestop/FrozenComponent.cs

@@ -0,0 +1,17 @@
+using System.Numerics;
+using Robust.Shared.GameStates;
+
+namespace Content.Shared._White.Wizard.Timestop;
+
+[RegisterComponent, NetworkedComponent]
+public sealed partial class FrozenComponent : Component
+{
+    [ViewVariables]
+    public float Lifetime = 10f;
+
+    [ViewVariables]
+    public Vector2 OldLinearVelocity;
+
+    [ViewVariables]
+    public float OldAngularVelocity;
+}