Updates lizard bodyparts + one new face marking, updates wag sprite (s…

…hiptest-ss13#2754)

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## About The Pull Request
See title.

Ports & Updates the tail sprite from
space-wizards/space-station-14#19573
I significantly had to change the side state of the animation because it
just looks like it's coming out of their leg.

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## Changelog

:cl:
add: A new Sarathi facial marking, "Nose"
imageadd: Sarathi ail wag animation has been improved
imageadd: Sarathi legs/chest have received a sprite touchup.
/:cl:

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code/modules/mob/dead/new_player/sprite_accessories/lizard.dm

@@ -105,6 +105,10 @@
 	name = "Dome"
 	icon_state = "dome"
 
+/datum/sprite_accessory/face_markings/nose
+	name = "Nose"
+	icon_state = "nose"
+
 //Start Horns
 
 /datum/sprite_accessory/horns