When I search “KMail” in the application launcher, it seems to show the kmail import wizard before KMail until I enter the full word. Since there’s a delay before the search result switches, if I type KMail and press enter quickly it often launches the import wizard.
I can replicate this consistently and it doesn’t seem to be a one-off thing. Interestingly, the KRunner search doesn’t seem to have this issue. The import wizard always stays below KMail even if you have partially typed it.
I don’t know the extent to which distro / personal setup stuff has to do with this quirk (or if it’s just a bug), but it would be nice if there was a way to prioritise certain applications over others in search results specifically.