remove usages of controlTypes.stateLabels and negativeStateLabels

[seanbudd]

Link to issue number:

Part of #12549

Summary of the issue:

controlTypes.stateLabels has been deprecated, usages such as controlTypes.stateLabels[controlTypes.State.*] should be replaced to their equivalent controlTypes.State.*.displayString

Description of how this pull request fixes the issue:

Use displayString and negativeDisplayString instead of stateLabels and negativeStateLabels.

Testing strategy:

Search the NVDA repo for "stateLabels" and "negativeStateLabels".

Unit tests exist in test_controlTypes.TestLabels (and have been renamed appropriately).

Known issues with pull request:

None

Change log entries:

None needed

Code Review Checklist:

• Pull Request description is up to date.
• Unit tests.
• System (end to end) tests.
• Manual testing.
• User Documentation.
• Change log entry.
• Context sensitive help for GUI changes.
• UX of all users considered:
  • Speech
  • Braille
  • Low Vision
  • Different web browsers