Allow to only set frequency plans within the same band

[ryaplots]

Summary

Closes #6644

Changes

• Introduce tags in Select options.
• Add a filterByTag prop and allow filtering by the tag of the first chosen option.

Testing

1. Log into the console
2. Proceed to adding a gateway
3. Choose one frequency plan
4. Add another frequency plan
5. See that the dropdown shows frequency plans only within the same band

Checklist

• Scope: The referenced issue is addressed, there are no unrelated changes.
• Compatibility: The changes are backwards compatible with existing API, storage, configuration and CLI, according to the compatibility commitments in README.md for the chosen target branch.
• Documentation: Relevant documentation is added or updated.
• The steps/process to test this feature are clearly explained including testing for regressions.
• Changelog: Significant features, behavior changes, deprecations and fixes are added to CHANGELOG.md.
• Commits: Commit messages follow guidelines in CONTRIBUTING.md, there are no fixup commits left.