Overflow divider fix

[ValentinaKozlova]

Previous Behavior

If there are custom margins/paddings it, also, breaks overflow logic

New Behavior

Related Issue(s)

• Fixes #

[fabricteam]

Perf Analysis (@fluentui/react-components)

No significant results to display.

All results

Scenario	Render type	Master Ticks	PR Ticks	Iterations	Status
Avatar	mount	590	595	5000
Button	mount	301	298	5000
Field	mount	1062	1049	5000
FluentProvider	mount	631	658	5000
FluentProviderWithTheme	mount	85	89	10
FluentProviderWithTheme	virtual-rerender	77	85	10
FluentProviderWithTheme	virtual-rerender-with-unmount	75	74	10
InfoButton	mount	17	11	5000
MakeStyles	mount	851	865	50000
Persona	mount	1612	1626	5000
SpinButton	mount	1351	1342	5000

[size-auditor[bot]]

Asset size changes

Size Auditor did not detect a change in bundle size for any component!

Baseline commit: cf6b94ba6559236150bc1f1814b023607edaeb20 (build)

[codesandbox-ci[bot]]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit cbf1d8ab14725c60274e4e84002cbc0ece8133a6:

Sandbox	Source
@fluentui/react 8 starter	Configuration
@fluentui/react-components 9 starter	Configuration

[fabricteam]

📊 Bundle size report

Package & Exports	Baseline (minified/GZIP)	PR	Change
priority-overflow createOverflowManager	3.194 kB 1.315 kB	4.204 kB 1.656 kB	1.01 kB 341 B
react-overflow hooks only	11.206 kB 4.266 kB	12.461 kB 4.609 kB	1.255 kB 343 B

Unchanged fixtures

Package & Exports	Size (minified/GZIP)
react-components react-components: Button, FluentProvider & webLightTheme	65.162 kB 17.952 kB
react-components react-components: Accordion, Button, FluentProvider, Image, Menu, Popover	210.103 kB 58.624 kB
react-components react-components: FluentProvider & webLightTheme	36.395 kB 11.996 kB
react-portal-compat PortalCompatProvider	6.473 kB 2.196 kB

_{🤖 This report was generated against cf6b94ba6559236150bc1f1814b023607edaeb20}

[msft-fluent-ui-bot]

:tada:@fluentui/[email protected] has been released which incorporates this pull request.:tada:

Handy links:

• Release Notes
• Official NPM Release

[msft-fluent-ui-bot]

:tada:@fluentui/[email protected] has been released which incorporates this pull request.:tada:

Handy links:

• Release Notes
• Official NPM Release

[msft-fluent-ui-bot]

:tada:@fluentui/[email protected] has been released which incorporates this pull request.:tada:

Handy links:

• Release Notes
• Official NPM Release