Skip `switch-page` handler when switching to other split-view tab (Issue #615)

MR !132
2 jobs for !132 with split-view-tabs in 6 minutes and 13 seconds (queued for 3 seconds)
latest detached
Status Job ID Name Coverage
  Build
passed #16523
build

00:02:26

 
  Distcheck
passed #16524
distcheck

00:03:46