Do AI dream of electric sheep? (#4520)

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## About The Pull Request
Removes the ability for mobs without a client to dream and snore
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## Why It's Good For The Game
Message spam and background bullshit for handling dreams 
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## Changelog

:cl:
del: AI no longer dream of electric sheep
/:cl:

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---------

Signed-off-by: FalloutFalcon <86381784+FalloutFalcon@users.noreply.github.com>
Co-authored-by: Theos <theubernyan@gmail.com>

Author: FalloutFalcon

code/datums/status_effects/debuffs.dm

@@ -165,9 +165,8 @@
 		owner.adjustStaminaLoss(healing)
 	if(human_owner && human_owner.drunkenness)
 		human_owner.drunkenness *= 0.997 //reduce drunkenness by 0.3% per tick, 6% per 2 seconds
-	if(prob(20))
-		if(carbon_owner)
-			carbon_owner.handle_dreams()
+	if(prob(20) && carbon_owner?.client)
+		carbon_owner.handle_dreams()
 		if(prob(10) && owner.health > owner.crit_threshold)
 			owner.emote("snore")