Portal sprite & behavior tweaks (#19179)

* Portal repalette

* Portal traversal verb + anchoring

* map restriction

* optional max distance checks if we decide to have them later

* lower pointlight energy slightly hopefully makes it less garish

Content.Server/Teleportation/HandTeleporterSystem.cs

@@ -22,7 +22,6 @@ public sealed class HandTeleporterSystem : EntitySystem
     public override void Initialize()
     {
         SubscribeLocalEvent<HandTeleporterComponent, UseInHandEvent>(OnUseInHand);
-
         SubscribeLocalEvent<HandTeleporterComponent, TeleporterDoAfterEvent>(OnDoAfter);
     }