fix: minor story docs updates for better accessibility information

[smhigley]

Docs-only updates, no package changes.

This is related to documentation work being done with the a11y insights team, just minor cleanup & better wording.

[fabricteam]

📊 Bundle size report

Package & Exports	Baseline (minified/GZIP)	PR	Change
react-components react-components: entire library	1.166 MB 280.355 kB	1.166 MB 280.362 kB	23 B 7 B

Unchanged fixtures

| Package & Exports | Size (minified/GZIP) | | ----------------- | -------------------: | | react-alert
Alert | `84.099 kB`
`23.645 kB` | | react-avatar
Avatar | `50.537 kB`
`16.11 kB` | | react-avatar
AvatarGroup | `20.107 kB`
`7.973 kB` | | react-avatar
AvatarGroupItem | `65.191 kB`
`20.441 kB` | | react-badge
Badge | `27.31 kB`
`8.901 kB` | | react-badge
CounterBadge | `28.214 kB`
`9.202 kB` | | react-badge
PresenceBadge | `25.717 kB`
`9.483 kB` | | react-components
react-components: Button, FluentProvider & webLightTheme | `71.955 kB`
`20.772 kB` | | react-components
react-components: Accordion, Button, FluentProvider, Image, Menu, Popover | `222.188 kB`
`62.744 kB` | | react-components
react-components: FluentProvider & webLightTheme | `44.442 kB`
`14.607 kB` | | react-divider
Divider | `21.326 kB`
`7.963 kB` | | react-persona
Persona | `57.428 kB`
`17.99 kB` | | react-portal-compat
PortalCompatProvider | `8.39 kB`
`2.64 kB` | | react-table
DataGrid | `169.681 kB`
`47.067 kB` | | react-table
Table (Primitives only) | `46.175 kB`
`14.35 kB` | | react-table
Table as DataGrid | `138.765 kB`
`37.41 kB` | | react-table
Table (Selection only) | `77.181 kB`
`20.767 kB` | | react-table
Table (Sort only) | `75.824 kB`
`20.369 kB` | | react-tag-picker
@fluentui/react-tag-picker - package | `189.079 kB`
`55.943 kB` | | react-tags
InteractionTag | `15.703 kB`
`6.253 kB` | | react-tags
Tag | `29.408 kB`
`9.593 kB` | | react-tags
TagGroup | `82.895 kB`
`24.635 kB` |

_{🤖 This report was generated against 4a31dd954eeb298a67e592aac096e27843626616}

[fabricteam]

Perf Analysis (@fluentui/react-components)

No significant results to display.

All results

Scenario	Render type	Master Ticks	PR Ticks	Iterations	Status
Avatar	mount	623	658	5000
Button	mount	310	313	5000
Field	mount	1126	1129	5000
FluentProvider	mount	704	723	5000
FluentProviderWithTheme	mount	79	84	10
FluentProviderWithTheme	virtual-rerender	37	36	10
FluentProviderWithTheme	virtual-rerender-with-unmount	70	77	10
MakeStyles	mount	857	863	50000
Persona	mount	1738	1726	5000
SpinButton	mount	1350	1371	5000
SwatchPicker	mount	1576	1565	5000

[codesandbox-ci[bot]]

This pull request is automatically built and testable in CodeSandbox.

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[fabricteam]

🕵 fluentuiv9 No visual regressions between this PR and main