fix a nightmare insert that had a wall and a door on same tile (#5239)

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# About the pull request

fix a nightmare insert that had a wall and a door on same tile

fixes: #5238

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# Explain why it's good for the game

fixing bug good

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:cl:
fix: fix a nightmare insert that had a wall and a door on same tile.
/:cl:

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Co-authored-by: Julien <[email protected]>

maps/map_files/Kutjevo/sprinkles/35.communications.dmm

@@ -306,7 +306,7 @@
 	dir = 1;
 	req_one_access = null
 	},
-/turf/closed/wall/kutjevo/colony,
+/turf/open/floor/plating/kutjevo,
 /area/template_noop)
 "LG" = (
 /obj/structure/fence,