Suggestions stay open when right-clicking or middle-clicking it

[acailly]

In codepen with scrollbar: https://codepen.io/moroshko/pen/XRgbxR

1. Focus on the input field
2. Type c, and wait for suggestions to appear
3. Use right click or middle click on the suggestions
4. Try to hide the suggestions by clicking elsewhere

Observed behaviour: Suggestions stay open

Expected behaviour: Suggestions should be closed

[moroshko]

Reported previously: #224

PR is welcome!