If you deleted a big user app in the last 24 hours then it will show like that and fall off the results in another 24 hours.
If you deleted it days ago then
First try a forced restart
https://support.apple.com/en-gb/guide/iphone/iph8903c3ee6/ios and leave it 24 hours.
If that does not help the  next procedure would be to backup then restore your device to factory.Â
Then restore the backup.Â
(1)How to back up your iPhone, iPad, and iPod touch – Apple Support
Remove SIM PIN if you have set one
(2) Restore your iPhone, iPad, or iPod to factory settings – Apple Support
(3) Restore your iPhone, iPad, or iPod touch from a backup
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