SUMMARY

When you click on the start menu and search for something. if you want to select the second element, you need to type 2 time the down arrow.

Basically, on the old menu, the first one is selected and you do the search and when you type the down arrow, it selects the second

On the new menu, you need to type down the arrow two times.

STEPS TO REPRODUCE
1. Open the start menu
2. Search something
3. type the down arrow to select the second element

OBSERVED RESULT
On the new menu, you need to type down arrow two time.

EXPECTED RESULT
the first one is selected when you do a search and when you type the down arrow, it selects the second

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: fedora 34
KDE Plasma Version: 5.21.4
KDE Frameworks Version: 5.80
Qt Version: 5.15