I can’t break a block instantly when pressing the “break block” button in Creative Mode

When pressing the “break block” button in Creative Mode, instead of insta-breaking the block, it doesn’t, it only breaks the block when pressed the button for a few seconds.

Video example: https://drive.google.com/file/d/1UGL37L71XjaV397PbKl1gc90SbNdIqSh/view?usp=drivesdk