Subtitles for cave sounds, creaking heart idle sounds, and pale hanging moss idle sounds are identical but are shown separately

The Bug:

Subtitles for cave sounds, creaking heart idle sounds, and pale hanging moss idle sounds are identical but are shown separately.

Steps to Reproduce:

1. Ensure that you have subtitles enabled.
2. Play the appropriate sounds in quick succession by using the commands provided below.

   /playsound minecraft:ambient.cave master @s

   /playsound minecraft:block.creaking_heart.idle master @s

   /playsound minecraft:block.pale_hanging_moss.idle master @s

3. Look at the subtitles overlay.

Observed Behavior:

The subtitles are identical but are shown separately.

Expected Behavior:

The subtitles would not be shown separately.