sl-select is not allowing the user to trigger Ctrl/Command + key when it has focus on .select__box element

[gtyamamoto]

Describe the bug
When a sl-select is focused ( the element .select__box to be more specific), it is not possible to trigger Ctrl/Command + key command like refresh commands ( Ctrl + R).

To Reproduce
Steps to reproduce the behavior:

1. should have a sl-select on the page (e.g the documentation for select)
2. Click on the sl-select element, it should open the menu with sl-menu-item's
3. click again on the sl-select, it should keep the focus com .select__box from the sl-select
4. press Ctrl + R, it is not refreshing the page

Expected behavior
It should not open again the sl-menu and allow the user to refresh te page

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: Windows 10
• Browser Chrome
• Version 92.0.4515.159

[claviska]

Thanks for the PR! This is going out shortly with 2.0.0-beta.48.