Pressing (B) in dialogue boxes that your not supposed to close, closes the create new world screen

Pressing (B) in dialogue boxes that your not supposed to close, closes the create new world screen.

Dialogue boxes affected: (any dialogue box where its intended not to close it)

1. This Is Dangerous!
2. Download and activate pack?

How to reproduce: (a controller is required)

1. Go to one of these dialogue boxes
2. Observe the input legend saying (B) Back
3. Press (B)
4. Observe the game closing the create new world screen

Observed results:

It closes the create new world screen as soon as you press (B)

Expected results:

It should not do anything when you press (B)