/clear command no longer clears data values of blocks

Partner Rank: 1

Verification builds:
1.16.0.2 Release build
1.16.0 Live Store build [24/06/2020]

Regression builds
1.16.0.58
This is very similar to the bug https://bugs.mojang.com/browse/MCM-942

Summary:
/clear command no longer clears data values of blocks

This is used to clear several items at once in the following maps.
Grid Runners, this is causing inventory overflow in the levels with wool.
World of cars it is used to clear quest items in a quest, making it unable to complete the quest.

Impact:
In World of cars the player can't complete the quest, this will result in lower ratings, negative social media, more customer complaints, and potential refunds.

Repro Steps:
Create a vanilla world and run the following commands in sequence

give @p wool 1 1
give @p wool 1 2
give @p wool 1 3
clear @p wool

Observed Results:

clear @p wool 

After running the above command none of the wool blocks are cleared.

Expected Results:

clear @p wool 

After running the above command all wool should be cleared.

Screenshots/Videos attached: Yes