Ctrl + F search disengages immediately after CTRL + F pressed
"I press Ctrl + F to open up the search bar to search but I find that immediately after I press Ctrl + F, the bar closes and resets to its original state. I can visibly see the bar show up as well as it closing immediately."
Downstream bug: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1735071