Fix Tongue Based Speech Modifiers Being Applied To Users Native Languages (#84952)

## About The Pull Request
This change allows tongue based speech modifications to be ignored if
the user is speaking in a native language or using hand signs, putting
it back to where it was functionally before moving to speechmod
components.
## Why It's Good For The Game
This is correcting some of the speaking code to how it was working prior
to speechmods, meaning lizard people won't be elongating there s's in
draconic. Fly people are the other species with a tongue based speech
modifier and receive the same fix. This also corrects tongue based
speech mods getting applied to sign language. Speech modifiers are still
applied if the user is talking in a non-native language, same as it was
pre speechmod.

Before:

![speechmod_demo_before](https://github.com/user-attachments/assets/86d9bca0-2d1d-44fe-8448-b8aebde8957e)
After:

![speechmod_demo_after](https://github.com/user-attachments/assets/9f071df5-0a60-4898-9aae-e8b8edd0db9e)

## Changelog

🆑
fix: fixing speech modifiers being applied to a tongue's native
languages.
/🆑

---------

Co-authored-by: Ghom <42542238+Ghommie@users.noreply.github.com>

code/datums/components/speechmod.dm

@@ -13,8 +13,10 @@
 	var/slots
 	/// If set to true, turns all text to uppercase
 	var/uppercase = FALSE
+	/// Any additional checks that we should do before applying the speech modification
+	var/datum/callback/should_modify_speech = null
 
-/datum/component/speechmod/Initialize(replacements = list(), end_string = "", end_string_chance = 100, slots, uppercase = FALSE)
+/datum/component/speechmod/Initialize(replacements = list(), end_string = "", end_string_chance = 100, slots, uppercase = FALSE, should_modify_speech)
 	if (!ismob(parent) && !isitem(parent) && !istype(parent, /datum/mutation/human))
 		return COMPONENT_INCOMPATIBLE
 
@@ -23,6 +25,7 @@
 	src.end_string_chance = end_string_chance
 	src.slots = slots
 	src.uppercase = uppercase
+	src.should_modify_speech = should_modify_speech
 
 	if (istype(parent, /datum/mutation/human))
 		RegisterSignal(parent, COMSIG_MUTATION_GAINED, PROC_REF(on_mutation_gained))
@@ -51,6 +54,8 @@
 	var/message = speech_args[SPEECH_MESSAGE]
 	if(message[1] == "*")
 		return
+	if(!isnull(should_modify_speech) && !should_modify_speech.Invoke(source, speech_args))
+		return
 
 	for (var/to_replace in replacements)
 		var/replacement = replacements[to_replace]
@@ -123,3 +128,7 @@
 		return
 	UnregisterSignal(targeted, COMSIG_MOB_SAY)
 	targeted = null
+
+/datum/component/speechmod/Destroy()
+	should_modify_speech = null
+	return ..()