Align the primary button in all dialogs in IDE

[kittaakos]

Describe the problem

Sometimes, the primary buttons (dark green color with the Light Arduino theme) are on the left, sometimes they're on the right. Align them.

To reproduce

Expected behavior

The primary buttons are on the right.

Arduino IDE version

34a7fdb

Operating system

macOS

Operating system version

12.5.1

Additional context

No response

Issue checklist

• I searched for previous reports in the issue tracker
• I verified the problem still occurs when using the latest nightly build
• My report contains all necessary details