"minecraft.custom:minecraft.fill_cauldron" doesn't increase when using a water bottle to fill a cauldron

The Bug:

"minecraft.custom:minecraft.fill_cauldron" doesn't increase when using a water bottle to fill a cauldron.

Steps to Reproduce:

1. Create a scoreboard objective for tracking when you fill a cauldron and set it to display on the sidebar by using the commands provided below.   

   /scoreboard objectives add FillCauldron minecraft.custom:minecraft.fill_cauldron

   /scoreboard objectives setdisplay sidebar FillCauldron

2. Fill a cauldron using a water bucket and take note of how the scoreboard correctly increases.
3. Fill a cauldron using a water bottle.
4. Take note as to whether or not "minecraft.custom:minecraft.fill_cauldron" increases when using a water bottle to fill a cauldron.

Observed Behavior:

"minecraft.custom:minecraft.fill_cauldron" doesn't increase when using a water bottle to fill a cauldron.

Expected Behavior:

"minecraft.custom:minecraft.fill_cauldron" would increase when using a water bottle to fill a cauldron.