Table column resizing has no indicator when using keyboard

[ling1726]

While resizing the table column, there is no kind of indicator that any specific column can be resized

[ling1726]

@george-cz let's add our default focus indicator for now so that the feature is accessible and reach out to designers for the ideal design

[msft-fluent-ui-bot]

🎉This issue was addressed in #27953, which has now been successfully released as @fluentui/react-table@v9.3.0.:tada:

Handy links:

• Release Notes
• Official NPM Release

[msft-fluent-ui-bot]

🎉This issue was addressed in #27953, which has now been successfully released as @fluentui/react-components@v9.21.0.:tada:

Handy links:

• Release Notes
• Official NPM Release