Sideload hint only shows on zero results
Something brought up in Nick's recent video and on Twitter is that the Sideload hint text only shows when you have exactly zero results, which is not that common.
We could consider showing the hint at the bottom of all search results, or perhaps when there are less than a certain threshold of results.
It would also be nice to have the option to add flathub (with a single click?), rather than having to actually go to the web site and install something to get all the packages listed in the App Center.
We can circumvent this and all related problems with a single-click flathub activation. I know we need some friction for it as Danielle exposed, but putting a awarning message could be enough.