Bug description

SandDupingFix set to true does not stop gravity block duping through end portals

Steps to reproduce

Preform any gravity block duping through end portal

Expected behavior

For gravity blocks to not duplicate

Actual behavior

gravity blocks duplicate

Relevant logs

No response

Minecraft version

1.21

Carpet TIS Addition version

1.60.0

Fabric Carpet version

1.21-1.4.147+v240613.

Other information

No response

Check list

• I have verified that the issue persists in the latest version of the mod.
• I have searched the existing issues and confirmed that this is not a duplicate.

#160