Firefly bush sound events are shared with sweet berry bushes despite having the latter's name

Despite the sweet berry bush-related sound events now encompassing the newly-added firefly bush block, the sound events remain with the same ID. For consistency, I would expect these sound events to follow a pattern indicating the commonalities between the two bushes rather than block.sweet_berry_bush.*.

Relates to MC-279276, MC-280079

Steps to reproduce

1. Run /playsound minecraft:block.sweet_berry_bush.place
2. Observe that running /playsound minecraft:block.firefly_bush.place does not have a sound