Fixes bubblegum suicide span, cleans up say spans (#96103)

## About The Pull Request

Closes #96085
Also went through other say spans and converted them to defines, as well
as fixed beepsky smash's hallucination beepskys not having their spans
due to incorrect span being passed.

## Changelog
🆑
fix: Bubblegun suicide no longer makes the user yell out HTML
fix: Beepsky Smash beepskys now use proper text formatting
code: Cleaned up say span code in a few places
/🆑

code/game/objects/items/food/sweets.dm

@@ -258,7 +258,7 @@
 		to_chat(victim, span_warning("[pick("You hear faint whispers.", "You smell ash.", "You feel hot.", "You hear a roar in the distance.")]"))
 
 /obj/item/food/bubblegum/bubblegum/suicide_act(mob/living/user)
-	user.say(";[pick(BUBBLEGUM_HALLUCINATION_LINES)]")
+	user.say(";[pick(BUBBLEGUM_HALLUCINATION_LINES)]", spans = list(SPAN_COLOSSUS))
 	return ..()
 
 /obj/item/food/gumball