[widgets] Implement spin boxes for 64bit integer types

2 jobs for 208_larger_int_spinboxes in 7 minutes and 3 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #161622
docker-build
build_linux_36

00:04:01

passed #161623
macosx
build_macosx_36

00:07:00