Some abandoned mineshaft shafts generate without support arches

When one support arch fails to generate because of air above it, all other ones after it, in the same shaft fail to generate.

To reproduce

Seed: 1359968930092793278
Coordinates: /execute in minecraft:overworld run tp @s -8287.30 -4.00 -544.40 -182.25 6.90

Expected behavior

Mineshaft support arches would always generate.