I try to click on a block in my inventory to put anywhere else, but I can't pick the block. Then, I clicked on the block and held it, and it seemed to work. But, when I moved the block, the number become really small and out of whack.

Put the summary of the bug you're having here

What I expected to happen was...:
Describe what you thought should happen here
I picked a block I wanted to put into my hotbar.
What actually happened was...:
Describe what happened here
I clicked on the block, and nothing happened, so I click and held left click, and I got it, but the number and the block became small and out of whack.
Steps to Reproduce:
1. ... First- Have a block in your inventory.
2. ... Then, try clicking on it and drag it into your hotbar.
3. ... For me, I had to click and hold, but it got really annoying.