Map fixes (#21623)

# Summary

This PR fixes #21615 and fixes #21616.

# Changes

- Unified all bridge safety shutters to listen to the same channel.
- Added bridge safety shutters button to bridge break room.
- Removed duplicate lights switch in security interrogations.
- Added a missing catwalk to an engineering maint.

html/changelogs/fabiank3-map-fixes.yml

@@ -0,0 +1,8 @@
+author: FabianK3
+
+delete-after: True
+
+changes:
+  - bugfix: "Fixed misconfigured safety shutters in the bridge conference room. All shutters around the bridge now listen to the same command."
+  - qol: "Added a bridge safety shutters button to bridge break room."
+  - bugfix: "Removed duplicate lightswitch in security interrogations."

maps/sccv_horizon/sccv_horizon.dmm

@@ -22814,18 +22814,17 @@
 /obj/effect/floor_decal/spline/fancy/wood{
 	dir = 6
 	},
-/obj/machinery/button/remote/blast_door{
-	dir = 9;
-	id = "conferencesafetyshutters";
-	name = "Conference Room Shutters";
-	pixel_x = -26;
-	pixel_y = 8;
-	req_access = list(19)
-	},
 /obj/machinery/light_switch{
 	dir = 5;
 	pixel_x = -26
 	},
+/obj/machinery/button/remote/blast_door{
+	dir = 9;
+	id = "shutters_deck3_bridgesafety";
+	name = "Bridge Safety Shutters";
+	pixel_x = -26;
+	pixel_y = 8
+	},
 /turf/simulated/floor/carpet,
 /area/horizon/command/bridge/meeting_room)
 "cZt" = (
@@ -57456,7 +57455,7 @@
 /obj/structure/cable/green,
 /obj/machinery/door/blast/shutters/open{
 	dir = 4;
-	id = "conferencesafetyshutters";
+	id = "shutters_deck3_bridgesafety";
 	name = "Safety Shutter"
 	},
 /obj/machinery/door/firedoor{
@@ -64965,7 +64964,13 @@
 /obj/structure/disposalpipe/segment,
 /obj/machinery/light_switch{
 	dir = 8;
-	pixel_x = -19
+	pixel_x = -20
+	},
+/obj/machinery/button/remote/blast_door{
+	dir = 9;
+	id = "shutters_deck3_bridgesafety";
+	name = "Bridge Safety Shutters";
+	pixel_x = -29
 	},
 /turf/simulated/floor/wood,
 /area/horizon/command/bridge/minibar)
@@ -69293,7 +69298,7 @@
 /obj/structure/window/shuttle/scc_space_ship,
 /obj/machinery/door/blast/shutters/open{
 	dir = 4;
-	id = "conferencesafetyshutters";
+	id = "shutters_deck3_bridgesafety";
 	name = "Safety Shutter"
 	},
 /obj/machinery/door/firedoor{
@@ -70006,7 +70011,7 @@
 	},
 /obj/machinery/door/blast/shutters/open{
 	dir = 4;
-	id = "conferencesafetyshutters";
+	id = "shutters_deck3_bridgesafety";
 	name = "Safety Shutter"
 	},
 /obj/machinery/door/firedoor{
@@ -80271,7 +80276,7 @@
 	},
 /obj/machinery/door/blast/shutters/open{
 	dir = 2;
-	id = "conferencesafetyshutters";
+	id = "shutters_deck3_bridgesafety";
 	name = "Safety Shutter"
 	},
 /turf/simulated/floor/plating,
@@ -92358,9 +92363,6 @@
 /obj/machinery/atmospherics/pipe/simple/hidden/scrubbers{
 	dir = 5
 	},
-/obj/machinery/light_switch/east{
-	pixel_y = 30
-	},
 /turf/simulated/floor/tiled/dark,
 /area/horizon/security/interrogation)
 "mjJ" = (
@@ -100675,7 +100677,7 @@
 	},
 /obj/machinery/door/blast/shutters/open{
 	dir = 4;
-	id = "conferencesafetyshutters";
+	id = "shutters_deck3_bridgesafety";
 	name = "Safety Shutter"
 	},
 /obj/machinery/door/firedoor{
@@ -121080,6 +121082,7 @@
 /obj/machinery/atmospherics/pipe/simple/hidden/yellow{
 	dir = 4
 	},
+/obj/structure/lattice/catwalk/indoor/grate/dark,
 /turf/simulated/floor/plating,
 /area/horizon/maintenance/deck_1/main/starboard)
 "qfo" = (