fix(create-pwa): Fix escaping in shell command create-pwa sends to buildpack

[zetlen]

Description

• Add escaping of space and quote characters in command path to buildpack
• Fix Node > 14 bug in DEBUG_PROJECT_CREATION

Related Issue

Closes #2317.

Acceptance

Verification Stakeholders

@fooman

Specification

Verification Steps

Follow steps in #2317 by renaming your repo root folder something with spaces in it. Try both kinds of quotation marks as well!

Screenshots / Screen Captures (if appropriate)

Checklist

• I have added tests to cover my changes, if necessary.
• I have added translations for new strings, if necessary.
• I have updated the documentation accordingly, if necessary.

[PWAStudioBot]

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[fooman]

Just to confirm the fix works on my end. Thanks @zetlen for tackling this.

[dpatil-magento]

@zetlen Space part looks good. But when meant quotation, should something like folder "with" space this also work?

bin/sh: /Users/sdr/Documents/PWA/folder with space/packages/pwa-buildpack/bin/buildpack: No such file or directory
(node:23411) UnhandledPromiseRejectionWarning: Error: Command failed: /bin/sh -c /Users/sdr/Documents/PWA/folder\ "with"\ space/packages/pwa-buildpack/bin/buildpack create-project fawfg --template "venia-concept" --name "fawfg" --author "tester test@test.com" --backend-url "https://master-7rqtwti-mfwmkrjfqvbjk.us-4.magentosite.cloud/" --braintree-token "sandbox_8yrzsvtm_s2bg8fs563crhqzk" --npm-client "npm"

[dpatil-magento]

@zetlen project create part with say folder "with' space works fine but once inside scaffolded project folder "with' space/scaffold-project then commands like npm run build npm run watch npm run storybook fails with errors. I was thinking create separate bug for this as original bug folder with space works fine for all commands. Also, its very rare to have directory name with single/double quotation marks. Let me know if you are ok with this.

There is small prettier fix you need to push though :)

[dpatil-magento]

Created https://jira.corp.magento.com/browse/PWA-1527 to handle single/double quotation marks. This PR is good to merge after prettier fix.