Cannot use keyboard (tab) to navigate encoding selection dialog

[gingerbeardman]

Configuration

• Keka version: 1.2.55 & 1.3.0-dev
• macOS version: 12.5.1 (21G83)

Describe the bug

Cannot use keyboard (tab) to navigate encoding selection dialog

To Reproduce

Steps to reproduce the behavior:

1. Open archive containing file that needs encoding decision, eg. http://hp.vector.co.jp/authors/VA003746/STUDY.LZH
2. At encoding dialog try to use tab to move selection to Done button

Expected behavior

• tab should move focus

Screenshots

[aonez]

I know is not very keyboard friendly (due to multitasking mostly) but in this case you can just hit ENTER. This also applies to the password input.