Maps show incorrect leaf colors in Dappled Forest biome

Maps show Dappled Forest foliage as green instead of displaying the biome's red, orange, and yellow leaf colors.

Steps to reproduce the issue

1. Create or load a world in 26.3 Snapshot 1.

2. Locate a Dappled Forest biome.

3. Create a map or view an existing map covering the biome.

4. Compare the map colors to the foliage colors visible in the world.

Expected result

The map displays foliage colors that match the Dappled Forest biome's autumn-colored leaves (red, orange, and yellow).

Actual result

The map displays all foliage in the Dappled Forest biome as green, similar to standard forest biomes.