what should we tell developers about arrow-key-navigation in qtvirtualkeyboard? it's needed by Plasma Bigscreen? But it seems to cause a problem in SDDM login https://bugreports.qt.io/browse/QTBUG-106459?focusedCommentId=678923&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-678923
