Confusion will no longer continue to confuse after being cured (#52286)

* Confusion will no longer continue to confuse after being cured

* Grammar comment fix

* Move to status effect

* Remove test per request

* Make confusion a status effect, confusion curing now completely neuters the confusion

* set_confusion changes, get_confusion

* Fix confusion going down twice per tick

* Change strength = to proc

* Move procs to status_procs

code/datums/brain_damage/mild.dm

@@ -90,7 +90,7 @@
 			if(2,3)
 				owner.dizziness += 10
 			if(4,5)
-				owner.confused += 10
+				owner.add_confusion(10)
 				owner.blur_eyes(10)
 			if(6 to 9)
 				owner.slurring += 30

code/datums/brain_damage/phobia.dm

@@ -118,7 +118,7 @@
 			owner.blind_eyes(10)
 		if(4)
 			owner.dizziness += 10
-			owner.confused += 10
+			owner.add_confusion(10)
 			owner.Jitter(10)
 			owner.stuttering += 10
 

code/datums/brain_damage/severe.dm

@@ -190,12 +190,12 @@
 			if(!high_stress)
 				to_chat(owner, "<span class='warning'>You can't stop shaking...</span>")
 				owner.dizziness += 20
-				owner.confused += 20
+				owner.add_confusion(20)
 				owner.Jitter(20)
 			else
 				to_chat(owner, "<span class='warning'>You feel weak and scared! If only you weren't alone...</span>")
 				owner.dizziness += 20
-				owner.confused += 20
+				owner.add_confusion(20)
 				owner.Jitter(20)
 				owner.adjustStaminaLoss(50)