Make flashlights, atmos hardsuit, and RGB use the new layer features (#6253)

* Make flashlights, atmos hardsuit, and RGB use the new layer features

* avoid self-conflict

* fix rgb not updating on add

* cleanup

* Update Content.Client/Light/RgbLightControllerSystem.cs

Co-authored-by: mirrorcult <lunarautomaton6@gmail.com>

* cleanup diff

Co-authored-by: mirrorcult <lunarautomaton6@gmail.com>

Content.Shared/Light/SharedRgbLightControllerSystem.cs

@@ -1,6 +1,7 @@
 using Content.Shared.Light.Component;
 using Robust.Shared.GameObjects;
 using Robust.Shared.GameStates;
+using System;
 using System.Collections.Generic;
 
 namespace Content.Shared.Light;
@@ -33,7 +34,7 @@ public abstract class SharedRgbLightControllerSystem : EntitySystem
         if (!Resolve(uid, ref rgb))
             return;
 
-        rgb.CycleRate = rate;
+        rgb.CycleRate = Math.Clamp(0.01f, rate, 1); // lets not give people seizures
         rgb.Dirty();
     }
 }