Chibi Robo Mud Zfighting

Description

TODO: Reference rendering here.

Before tev_fixes_new, this mud would suffer from severe zfighting.

Recent results

	5.0-18358	5.0-18349	5.0-18265	5.0-18257	5.0-18155	5.0-18130	5.0-17842	5.0-17768	5.0-17125	5.0-17047	5.0-16997	5.0-16995	5.0-16926	5.0-16331	5.0-16263	5.0-16075	5.0-16012	5.0-15880	5.0-15801	5.0-15797	5.0-15577	5.0-15541	5.0-15538	5.0-15518	5.0-15484	5.0-15434	5.0-15257	5.0-14736	5.0-14120	5.0-13688	5.0-13646	5.0-13637	5.0-13471	5.0-13426	5.0-13225
mtl-osx-m1
mvk-osx-m1
ogl-lin-mesa
ogl-lin-radeon
sw-lin-mesa
uberogl-lin-radeon