How to blur T-rich-select dropdown upon select

[matthewknill]

Currently, when I select an option, the selectButton is not blurred as follows:

This doesn't bother me too much, however, when I go to another tab on my browser and then come back, it opens the dropdown without me even clicking on it:

This is very annoying though I believe it could simply be solved by blurring the component when an option is selected.
However, I was unable to find out how I can do this without accessing the DOM.