Additional 1.5.31 selection icons: Mojang bedrock-samples resource_pack textures.
Source: https://github.com/Mojang/bedrock-samples
License: see MOJANG_SAMPLE_LICENSE.txt.
Cactus TGA converted to PNG; all icons use addon-only paths and do not replace world block textures.

1.5.33 adds brown/red mushroom, crimson/warped fungus, and crimson/warped nylium icons from the same official source and license, under addon-only UI paths.
