Binary atmos devices alt-click toggle fix, space heater feedback text fix (#22328)

Fixes https://github.com/Aurorastation/Aurora.3/issues/22246
changes:
- bugfix: "Binary atmos devices are again able to be toggled on/off by
alt-clicking them."
- bugfix: "Temp control units now display correct 'turned on/off'
balloon text when toggled."

code/modules/atmospherics/components/binary_devices/binary_atmos_base.dm

@@ -136,8 +136,17 @@
 /obj/machinery/atmospherics/binary/AltClick(var/mob/user)
 	if(src.anchored)
 		if(!allowed(user))
-			to_chat(user, SPAN_WARNING("Access denied."))
-			return
-		Topic(src, list("power" = "1"))
+			balloon_alert(user, "Access denied.")
+			return FALSE
+		else if(stat && NOPOWER)
+			balloon_alert(user, "No power!")
+			return FALSE
+		else if(stat && BROKEN)
+			balloon_alert(user, "Broken!")
+			return FALSE
+		else
+			update_use_power(!use_power)
+			update_icon()
+			return TRUE
 	else
 		. = ..()