Just recently i found out I couldn't seem to pick up my items with both right click and left click.
What I expected to happen: I could simply pick up my items

What really happened: I couldn't even pick up my items

Steps to reproduce:
*Hold down on my left click on my mouse.
*Drag item and hover over a different item
*Watch as the items start glitching out
Story: In both multiplayer and singleplayer server, my game wasn't working for I could not pick up ANYTHING!I decided to test it out on survival single player.I would keep spamming my left click mouse or hold down shift to see if I could do anything about my buggy cursor.
I found that I could pick up my hotbar items, but as soon as I picked up the items and switched the picked up items it switched around with a different item. For example, I drag my birch saplings and moved them next to my sugar cane. If I pick up the sugar cane later, then the birch saplings would turn into sugar cane if I hovered over them.
Then the "birch saplings" would soon deplete. As soon as I let go, everything turns back to normal but you stil have to hold down your mouse. Also creative is also strange but it's fine for me. Note the bottom image is my original inventory, while the top two are my buggy inventory. Also I have looked up for reposts and I had found nothing to help me out.