appModules/calculator: focus.appModule.productVersion -> self.productVersion

[josephsl]

Hi,

Forgot to do this while fixing #13386

Link to issue number:

Follow-up to #13383

Summary of the issue:

Cosmetics: focus.appModule.productVersion -> self.productVersion for consistency.

Description of how this pull request fixes the issue:

Changes focus.appModule.productVersion to self.productVersion in Calculator results script. No changes to functionality whatsoever.

Testing strategy:

Manual testing, see #13383.

Known issues with pull request:

None

Change log entries:

None

Code Review Checklist:

• Pull Request description:
  • description is up to date
  • change log entries
• Testing:
  • Unit tests
  • System (end to end) tests
  • Manual testing
• API is compatible with existing add-ons.
• Documentation:
  • User Documentation
  • Developer / Technical Documentation
  • Context sensitive help for GUI changes
• UX of all users considered:
  • Speech
  • Braille
  • Low Vision
  • Different web browsers
  • Localization in other languages / culture than English