I wanted to full screen Minecraft so i clicked full screen in the visual settings and got sent back to the Minecraft Launcher

Put the summary of the bug you're having here

What I expected to happen was...:
Describe what you thought should happen here
I thought if i clicked on the full screen tab in the visual settings it would go full screen.
What actually happened was...:
Describe what happened here
It took me to the Minecraft launcher
Steps to Reproduce:
1. Click on settings
2. Click visual settings
3. Click full screen