Fix missing flyout external click code

How did I forget that piece of code and named a MouseDown event handler KeyDown!?
Merge pull request #1011 from 100GPing100/patch-6

Fix missing flyout external click code
Fix window commands focus visual style
Merge pull request #1012 from 100GPing100/patch-7

Fix window commands focus visual style
Visualizing color brushes in ellipses
Merge pull request #1016 from vegar/colors.ellipse

Visualizing color brushes in ellipses
Merge remote-tracking branch 'upstream2/master'