I cannot pick blocks from creative and drag them into my inventory

i created a creative world to check out the new blocks of the update for eample potion of invis or mace and even spear but when ever i tried to drag the blocks into my inventory it just showed me the recipe so i was wishing if you updated the drag system can you tell me how to do it or even if it is a bug can you fix it.im a og player of the game i have been playing this game for months pls fix this my name;princeali9