Bug generate structure temple feature

When structure size >16x16x256 generated structure will show only part of the structure.
That bug on Android and iOS from 1.15+ to last version in Android and iOS, Window

Step 1: create new world import addon ,enable expermental mode, creative mode
Step 2: Go to world and find generated building (happend.png and happend1.png)
Step 3: use structure_block to generate building. load "building1" in structure_block(shoud happend.png and shoud happend1.png)

Observed Results:

Expected Results: 

  

Addon: bugaddon.mcaddon