Escape the configuration name in commands

[Thomvis]

Checklist

• [x] I've read the Contribution Guidelines
• [x] I've run bundle exec rspec from the root directory to run my changes against rspec tests
• [x] I've run bundle exec rubocop to check code style (There's one offense in code I didn't change)

Description

I had to make a couple of changes to get a configuration name with a space ("App Store") to work with the tool. The configuration name (and values derived from that) were not properly escaped when building commands to run.

[trinhngocthuyen]

Sorry for the late response. The change LGTM. Thanks for the contribution 👍