Autocomplete for `/bossbar set <id> style` does not consider parts after an underscore

As the title says.

To reproduce

1. /bossbar add temp "Temp Bossbar"

2. Type /bossbar set minecraft:temp style 6
   ❌ The notched_6 style is not suggested

Expected behavior

notched_6 would be suggested

Note

This is one of three extant occurrences of this “autocomplete doesn’t consider part after underscore” issue, the others being MC-312332 and MC-312339.