The tooltip displayed above bundles while selecting an item reflects neither the data set by the item's tooltip_style component nor the bundle's tooltip_style component.

Steps to Reproduce:

1. Run /give @s brush[minecraft:tooltip_style='example']
2. Put the Brush into a Bundle
3. Observe the tooltip of the item in the bundle

2024-09-04 17-02-18.mp4

Alternatively:

1. Run /give @s bundle[minecraft:tooltip_style='example']
2. Put an item into the Bundle
3. Observe the tooltip of the item in the bundle