Fix overlay bugs (#11406)

Content.Client/Drugs/RainbowOverlay.cs

@@ -1,5 +1,6 @@
 using Content.Shared.Drugs;
 using Content.Shared.StatusEffect;
+using Robust.Client.GameObjects;
 using Robust.Client.Graphics;
 using Robust.Client.Player;
 using Robust.Shared.Enums;
@@ -53,6 +54,12 @@ public sealed class RainbowOverlay : Overlay
 
     protected override bool BeforeDraw(in OverlayDrawArgs args)
     {
+        if (!_entityManager.TryGetComponent(_playerManager.LocalPlayer?.ControlledEntity, out EyeComponent? eyeComp))
+            return false;
+
+        if (args.Viewport.Eye != eyeComp.Eye)
+            return false;
+
         return EffectScale > 0;
     }