Rich text editor controls not selectable via keyboard

[ejsmith03]

Checklist

• [ X ] This is not covered in the repository examples.
• [ X ] I am using the package latest version.
• [ X ] This is a bug report or an enhancement proposal.

Description

Steps to reproduce:

1. Tab into the rich text editor
2. Ensure focus is on a control's icon
3. Hit the space bar in an attempt to select control item

Expected behavior
Control item is selectable via keyboard

Actual behavior
Control item is not selectable via keyboard