Convert some bools to TRUE/FALSE instead of 1/0. (#11100)

Co-authored-by: Aronai Sieyes <arokha@arokha.com>

code/game/objects/structures/inflatable.dm

@@ -23,8 +23,8 @@
 /obj/structure/inflatable
 	name = "inflatable wall"
 	desc = "An inflated membrane. Do not puncture."
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	opacity = 0
 	can_atmos_pass = ATMOS_PASS_DENSITY
 
@@ -154,8 +154,8 @@
 
 /obj/structure/inflatable/door //Based on mineral door code
 	name = "inflatable door"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	opacity = 0
 
 	icon = 'icons/obj/inflatable.dmi'
@@ -204,7 +204,7 @@
 	isSwitchingStates = 1
 	flick("door_opening",src)
 	sleep(10)
-	density = 0
+	density = FALSE
 	opacity = 0
 	state = 1
 	update_icon()
@@ -214,7 +214,7 @@
 	isSwitchingStates = 1
 	flick("door_closing",src)
 	sleep(10)
-	density = 1
+	density = TRUE
 	opacity = 0
 	state = 0
 	update_icon()