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

Resources/Textures/Effects/portal.rsi/meta.json

@@ -5,7 +5,7 @@
         "y": 32
     },
     "license": "CC-BY-SA-3.0",
-    "copyright": "Taken from tgStation at commit https://github.com/tgstation/tgstation/blob/4a367160a204db4c5b51c1f811a3b899f0bde3ea/icons/obj/stationobjs.dmi",
+    "copyright": "Taken from tgStation at commit https://github.com/tgstation/tgstation/blob/4a367160a204db4c5b51c1f811a3b899f0bde3ea/icons/obj/stationobjs.dmi and repaletted using old tg sprites by mirrorcult",
     "states": [
         {
             "name": "portal-blue",
@@ -24,15 +24,6 @@
                     0.1, 0.1
                 ]
             ]
-        },
-        {
-            "name": "portal",
-            "delays": [
-                [
-                    0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1,
-                    0.1, 0.1
-                ]
-            ]
         }
     ]
 }