[Bugfix] Fix topical self healing time multiplier not working (#39883)

* Commit

* Fix 2

* Prettier

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Co-authored-by: Princess Cheeseballs <66055347+Pronana@users.noreply.github.com>

Content.Shared/Medical/Healing/HealingComponent.cs

@@ -43,7 +43,7 @@ public sealed partial class HealingComponent : Component
     /// How long it takes to apply the damage.
     /// </summary>
     [DataField, AutoNetworkedField]
-    public float Delay = 3f;
+    public TimeSpan Delay = TimeSpan.FromSeconds(3f);
 
     /// <summary>
     /// Delay multiplier when healing yourself.