relatively small 71 file 700 lines changed refactor/rework to combat mode/sprint and some miscellaneous things that totally aren't important (#11376)

* combat refactoring

* i hate this

* mobility flags part 2 time xd

* whew

* stuff

* a

* ok

* changes

* Wew

* k

* add flags

* FUCKYOUVORE

* fixes

* typo

* no using this in hard stamcrit

* update icon

* woopsy

* . = ..()

* sigh

* Update living_combat.dm

* wew

* wups

* fix

* i hate you

* wrong button

* k

* ok

* bet

* k

* Update code/modules/mob/living/living_combat.dm

Co-Authored-By: Ghom <42542238+Ghommie@users.noreply.github.com>

* Update code/modules/mob/living/living_combat.dm

Co-Authored-By: Ghom <42542238+Ghommie@users.noreply.github.com>

* Update code/modules/mob/living/living_combat.dm

Co-Authored-By: Ghom <42542238+Ghommie@users.noreply.github.com>

* early returns

* skreee

* agony

* k

* k

* k

* k

* wack

* compile

* wack

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

code/datums/weather/weather_types/ash_storm.dm

@@ -94,7 +94,7 @@
 	if(is_ash_immune(L))
 		return
 	if(is_species(L, /datum/species/lizard/ashwalker))
-		if(L.getStaminaLoss() <= STAMINA_SOFTCRIT)
+		if(!IS_STAMCRIT(L))
 			L.adjustStaminaLossBuffered(4)
 		return
 	L.adjustFireLoss(4)