Update device message to be more generic.

[lynnfaraday]

Overview

Made the "no device data" message more generic so it's not confusing if a particular device type isn't enabled in a project.

Issue: https://github.com/CareEvolution/Product/issues/476

Security

Consider potential security impacts and complete the following checklist.
REMINDER: All file contents are public.

• I have ensured no secure credentials or sensitive information remain in code, metadata, comments, etc.
  • Please verify that you double checked that .storybook/preview.js does not contain your participant access key details.
  • There are no temporary testing changes committed such as API base URLs, access tokens, print/log statements, etc.
• These changes do not introduce any security risks, or any such risks have been properly mitigated.

Testing

Consider whether the changes might have device-specific behaviors (screen padding, new APIs, etc.) and check one of the following boxes:

• This change can be adequately tested using the MDH Storybook.
• This change requires additional testing in the MDH iOS/Android/Web apps. (Create a pre-release tag/build and test in a ViewBuilder PR.)

Test the no data scenario on the "Device Data Month Charts" screen.

Documentation

Consider whether there are any documentation impacts and check one of the following boxes:

• I have added relevant Storybook updates to this PR.
• If this feature requires a developer doc update, I have tagged @CareEvolution/api-docs.
• This change does not impact documentation or Storybook.

Reviewers

Assign to the appropriate reviewer(s). Minimally, a second set of eyes is needed ensure no non-public information is published. Consider also including:

• Subject-matter experts
• Style/editing reviewers
• Others requested by the content owner

Consider "Squash and merge" as needed to keep the commit history reasonable on main.

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