VS: Fix ApplicationTypeRevision in builtin check projects

Do not use the entire `CMAKE_SYSTEM_VERSION`, but rather the first two
components only.

Fixes: #19275
30 jobs for vs-ApplicationTypeRevision
Status Job ID Name Coverage
  External
passed cdash

passed cmake-dash3win7-windows-release-ninja

passed cmake-hythloth-linux-debug-makefiles+sphinx

passed cmake-minoc-linux-release-lint-iwyu-tidy

passed cmake-moonshade-osx-debug-ninja

passed cmake-moonshade-osx-release-makefiles

passed cmake-terfin-windows-release-vs2019

passed ghostflow-check-master

passed ghostflow-stager

passed cmake-dash3win7-windows-release-ninja

00:26:55

passed cmake-hythloth-linux-debug-makefiles+sphinx

00:39:24

passed cmake-minoc-linux-release-lint-iwyu-tidy

00:01:22

passed cmake-moonshade-osx-debug-ninja

00:09:22

passed cmake-moonshade-osx-release-makefiles

00:09:57

passed cmake-terfin-windows-release-vs2019

01:02:31

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager