Use locale for delayed character descriptions (#13972)
Fixes #13969
Fixes #13966
Background for the feature in PR #13550
Summary of the issue:
NVDA does not correctly handle language switching commands when speaking character descriptions.
Description of user facing changes
Ensure character descriptions are read in the proper locale where known.
Description of development approach
Use the same code other spelling commands use, _getSpellingSpeechWithoutCharMode, which handles language switching.
