Changed a message in input help mode for speak command keys command

[Adriani90]

Link to issue number:

fixes #17470

Summary of the issue:

Small inconsistency between user guide and input help mode

Description of user facing changes

same message which is spoken when toggling the setting, and can also be found in the user guide.

Description of development approach

Changed the coresponding message in globalCommands.py

Testing strategy:

Tested that it fires correctly when input help is on and nvda+4 is pressed.

Known issues with pull request:

None

Code Review Checklist:

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

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