Fixes south-facing subshuttle prechargers (#3355)

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## About The Pull Request
Subshuttle engine prechargers which originally faced south were changed
to face east for some reason. This fixes that.
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documented or this can delay review and even discourage maintainers from
merging your PR! -->

## Why It's Good For The Game
Subshuttle engines should charge properly.
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benefit the game. If you can't justify it in words, it might not be
worth adding. -->

## Changelog

:cl:
fix: Certain Subshuttle engine prechargers have now been correctly
rotated.
/:cl:

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_maps/shuttles/subshuttles/frontiersmen_brawler.dmm

@@ -370,7 +370,9 @@
 /obj/structure/window/reinforced{
 	dir = 1
 	},
-/obj/machinery/power/smes/shuttle/precharged,
+/obj/machinery/power/smes/shuttle/precharged{
+	dir = 2
+	},
 /obj/structure/cable,
 /turf/open/floor/plasteel/tech/grid,
 /area/ship/bridge)

_maps/shuttles/subshuttles/independent_kunai.dmm

@@ -260,7 +260,9 @@
 	dir = 1
 	},
 /obj/structure/cable,
-/obj/machinery/power/smes/shuttle/precharged,
+/obj/machinery/power/smes/shuttle/precharged{
+	dir = 1
+	},
 /obj/machinery/door/poddoor/shutters{
 	id = "polengine";
 	name = "Engine Shutters"
@@ -278,7 +280,9 @@
 	dir = 1
 	},
 /obj/structure/cable,
-/obj/machinery/power/smes/shuttle/precharged,
+/obj/machinery/power/smes/shuttle/precharged{
+	dir = 2
+	},
 /obj/machinery/door/poddoor/shutters{
 	id = "polengine"
 	},

_maps/shuttles/subshuttles/inteq_anvil.dmm

@@ -67,7 +67,9 @@
 /turf/open/floor/plasteel/mono/dark,
 /area/ship/bridge)
 "g" = (
-/obj/machinery/power/smes/shuttle/precharged,
+/obj/machinery/power/smes/shuttle/precharged{
+	dir = 2
+	},
 /obj/structure/cable,
 /obj/structure/window/reinforced{
 	dir = 1

_maps/shuttles/subshuttles/inteq_haste.dmm

@@ -121,7 +121,9 @@
 /obj/structure/cable/yellow{
 	icon_state = "0-4"
 	},
-/obj/machinery/power/smes/shuttle/precharged,
+/obj/machinery/power/smes/shuttle/precharged{
+	dir = 2
+	},
 /turf/open/floor/plasteel/tech,
 /area/ship/bridge)
 "K" = (

_maps/shuttles/subshuttles/syndicate_runner.dmm

@@ -1,6 +1,8 @@
 //MAP CONVERTED BY dmm2tgm.py THIS HEADER COMMENT PREVENTS RECONVERSION, DO NOT REMOVE
 "aa" = (
-/obj/machinery/power/smes/shuttle/precharged,
+/obj/machinery/power/smes/shuttle/precharged{
+	dir = 2
+	},
 /obj/structure/window/reinforced{
 	dir = 4
 	},