Landmine stepoff (#22962)

* make landmine work on stepping off

* update methods naming

* made both step modes possible

* updated stepoff event raise to not interfere with game physics internals

* added comments

* figuring out how audiosystem works

* added beep sound effect, updated how stepoff trigger works to make it more consistent

* updated source in attributions.yml

* made stepoff working every time

* introduced suggested changes

* updated janitor's WetSignMine to have audio

* made cleaner events and bashing my head at OnEndCollide event raise

* inverted conditional where applicable

* review

---------

Co-authored-by: Yurii Kis <yurii.kis@smartteksas.com>
Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Server/Tiles/LavaSystem.cs

@@ -11,7 +11,7 @@ public sealed class LavaSystem : EntitySystem
     public override void Initialize()
     {
         base.Initialize();
-        SubscribeLocalEvent<LavaComponent, StepTriggeredEvent>(OnLavaStepTriggered);
+        SubscribeLocalEvent<LavaComponent, StepTriggeredOffEvent>(OnLavaStepTriggered);
         SubscribeLocalEvent<LavaComponent, StepTriggerAttemptEvent>(OnLavaStepTriggerAttempt);
     }
 
@@ -23,7 +23,7 @@ public sealed class LavaSystem : EntitySystem
         args.Continue = true;
     }
 
-    private void OnLavaStepTriggered(EntityUid uid, LavaComponent component, ref StepTriggeredEvent args)
+    private void OnLavaStepTriggered(EntityUid uid, LavaComponent component, ref StepTriggeredOffEvent args)
     {
         var otherUid = args.Tripper;