Adds notification to those with psionics when someone enters/exits Srom + animation for Srom exit (#13600)

code/modules/shareddream/dream_entry.dm

@@ -19,6 +19,10 @@ var/list/dream_entries = list()
 			to_chat(bg, "<span class='warning'>Whilst in shared dreaming, you find it difficult to hide your secrets.</span>")
 			if(willfully_sleeping)
 				to_chat(bg, "To wake up, use the \"Awaken\" verb in the IC tab.")
+			for(var/thing in SSpsi.processing)
+				var/datum/psi_complexus/psi = thing
+				to_chat(psi.owner, SPAN_CULT("You sense an increase in the activity of Srom..."))
+				sound_to(psi.owner, sound('sound/effects/psi/power_used.ogg'))
 			log_and_message_admins("has entered the shared dream", bg)
 	// Does NOT
 	else
@@ -27,7 +31,10 @@ var/list/dream_entries = list()
 			if(willfully_sleeping && sleeping && stat == UNCONSCIOUS)
 				sleeping = 5
 				return
-			log_and_message_admins("has left the shared dream",bg)
+			for(var/thing in SSpsi.processing)
+				var/datum/psi_complexus/psi = thing
+				to_chat(psi.owner, SPAN_CULT("You feel the activity of Srom decrease."))
+			log_and_message_admins("has left the shared dream", bg)
 			var/mob/living/brain_ghost/old_bg = bg
 			bg = null
 			vr_mob = null
@@ -40,7 +47,7 @@ var/list/dream_entries = list()
 				return_text = "You are ripped from the Srom as you return to the captivity of your own mind."
 
 			return_mob.ckey = old_bg.ckey
-			old_bg.show_message("<span class='notice'>[bg] fades as their connection is severed.</span>")
-			animate(old_bg, alpha=0, time = 200)
+			old_bg.visible_message("<span class='notice'>[old_bg] begins to fade as they depart from the dream...</span>")
+			animate(old_bg, alpha=0, time = 20)
 			QDEL_IN(old_bg, 20)
 			to_chat(return_mob, SPAN_WARNING("[return_text]"))