[MIRROR] Fakedeath fixes (#12119)

Co-authored-by: Cameron Lennox <killer65311@gmail.com>

code/game/objects/items/devices/hacktool.dm

@@ -114,7 +114,7 @@
 		is_hacking = 1
 		// On average hackin takes ~15 seconds. Fairly small random span to discourage people from simply aborting and trying again
 		// Reduced hack duration to compensate for the reduced functionality, multiplied by door sec level
-		var/hack_result = do_after(user, (((10 SECONDS + rand(0, 10 SECONDS) + rand(0, 10 SECONDS))*hackspeed)*D.security_level))
+		var/hack_result = do_after(user, (((10 SECONDS + rand(0, 10 SECONDS) + rand(0, 10 SECONDS))*hackspeed)*D.security_level), target = src)
 		is_hacking = 0
 
 		if(hack_result && in_hack_mode)

code/game/objects/items/devices/scanners/health.dm

@@ -72,7 +72,7 @@
 		user.show_message(dat, 1)
 		return
 
-	var/fake_oxy = max(rand(1,40), M.getOxyLoss(), (300 - (M.getToxLoss() + M.getFireLoss() + M.getBruteLoss())))
+	var/fake_oxy = max(M.getOxyLoss(), (300 - (M.getToxLoss() + M.getFireLoss() + M.getBruteLoss())))
 	var/OX = M.getOxyLoss() > 50 	? 	span_bold("[M.getOxyLoss()]") 		: M.getOxyLoss()
 	var/TX = M.getToxLoss() > 50 	? 	span_bold("[M.getToxLoss()]")  		: M.getToxLoss()
 	var/BU = M.getFireLoss() > 50 	? 	span_bold("[M.getFireLoss()]") 		: M.getFireLoss()

code/game/objects/items/devices/scanners/sleevemate.dm

@@ -140,7 +140,7 @@ var/global/mob/living/carbon/human/dummy/mannequin/sleevemate_mob
 
 	//Body status
 	output += span_bold("Sleeve Status:") + " "
-	if(H.status_flags |= FAKEDEATH)
+	if(H.status_flags & FAKEDEATH)
 		output += span_warning("Deceased") + "<br>"
 	else
 		switch(H.stat)