Bugfix FXIOS-10566 - Password Generator: Incorrect Announcement of "Use Strong Password" Button

:scroll: Tickets

Changed the accessibility label and identifier associated with the keyboard accessory button for "Use Strong Password" to fix the bug.

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[x] Filled in the above information (tickets numbers and description of your work)
[x] Updated the PR name to follow our PR naming guidelines
[x] Wrote unit tests and/or ensured the tests suite is passing
[ ] When working on UI, I checked and implemented accessibility (minimum Dynamic Text and VoiceOver)
[ ] If needed, I updated documentation / comments for complex code and public methods
[ ] If needed, added a backport comment (example @Mergifyio backport release/v120)