[Bug]: Corner Stairs are not counted as solid blocks

[tterlikkis]

Bug Description

The Oxygen Distributor and Gravity Normalizer treat corner stair blocks as air and "leak" through, expanding their area of effects to their maximum size

These screenshots show the Oxygen Distributors area with a solid block floor and then a corner stair floor, with the distributed area being outside the space station in the corner stair example.

How to Reproduce?

1. Generate Space Station
2. Set up Oxygen Distributor and or Gravity Normalizer
3. Replace section of floor or ceiling with corner stairs
4. Activate machine and enable 'show effected area' tool

Expected Behavior

The corner stairs to be treated as solid blocks by the Oxygen Distributor and Gravity Normalizer and for them to not expand their areas of effect through them

Version

1.15.18

Mod Loader Version

1.20.1 - 43.3.7

Mod Loader

Forge

Logs or additional context

No response

Code of Conduct

• I have searched the issue tracker and confirmed that the issue has not been reported
• I have checked the FAQ (if one is present) and my issue is not listed
• I have verified that I am using the latest version of the mod
• I have verified that I have installed all the required dependencies for the mod
• I have verified that I do not have Optifine installed. We will close issues if we detect Optifine is in your pack. We cannot fix Optifine issues. Please do not report issues with Optifine present.