Prerequisites

• I am running the latest alpha version of MineColonies and Structurize for my Minecraft version.
• I checked the MineColonies/Structurize wiki and made sure my issue is not covered there.
• I made sure that this issue is not a duplicate of any existing issue.

Context

• Minecraft Version: 1.16.5
• MineColonies Version: 0.14.210-Alpha
• Structurize Version: 0.13.177-Alpha
• Related Mods and their Versions:

Expected behavior

When previewing a structure that includes a barracks placeholder, or when such a structure is actually placed in the world (eg. by creative mode paste outside colony borders), you can see the blocks behind the barracks tower placeholder

Actual behavior

Steps to reproduce the issue

1. Grab a barracks hut block
2. Preferably away from any colony, preview a barracks that includes barracks towers inside (eg. Fortress, Medieval Birch Alternative)
   a. Optionally, if not in a colony border, use the creative mode paste (clipboard) button to place the barracks. Outside a colony the placeholder will not turn into a regular barracks hut block. Probably applies to the other creative mode copy button (two papers) always, but didn't test this
3. See behind the block, possibly into the ground depending on what's behind the block

Logs

Visual issue, no logs

Notes

Found while debugging #5006 (comment)

Viewers

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Yes, this is not a survival block and not obtainable in survival, it's builders only.