Block breaking overlay displays z-fighting on cracked brittle ice when “Improved transparency” is on

The bug

When trying to break cracked brittle ice, the block breaking animation displays z-fighting, when the “Improved transparency” setting is enabled.

How to reproduce

1. Place cracked brittle ice.

   /setblock ~ ~ ~ minecraft:brittle_ice[age=3]

2. Give yourself mining fatigue II.

   /effect give @s minecraft:mining_fatigue infinite 1 true

3. Start breaking the ice.

Expected result

The breaking animation would not display z-fighting.

Observed result

The breaking animation flickers.