[Refactor] Automation script: Create 'Samples~' dir only if doesn't exists

Change automation script to create Samples~ dir only if doesn't exists, but always copy the content of regular Samples dir

CHANGED

• Refactor renameInvalidDirs() function in .github/scripts/functions.sh, in order to copy the content of regular "Samples" dir properly

Full Changelog: 0.1.9...0.1.10