feat(react-overflow): add pinned items

[layershifter]

Previous Behavior

New Behavior

Related Issue(s)

• Fixes #

[github-actions]

📊 Bundle size report

Package & Exports	Baseline (minified/GZIP)	PR	Change
priority-overflow createOverflowManager	4.457 kB 1.832 kB	4.584 kB 1.873 kB	127 B 41 B
react-charts AreaChart	407.113 kB 124.705 kB	407.264 kB 124.755 kB	151 B 50 B
react-charts DeclarativeChart	756.947 kB 217.86 kB	757.098 kB 217.905 kB	151 B 45 B
react-charts DonutChart	317.554 kB 94.682 kB	317.705 kB 94.727 kB	151 B 45 B
react-charts FunnelChart	309.107 kB 91.579 kB	309.258 kB 91.625 kB	151 B 46 B
react-charts GanttChart	390.222 kB 118.264 kB	390.373 kB 118.302 kB	151 B 38 B
react-charts GaugeChart	316.985 kB 94.055 kB	317.136 kB 94.098 kB	151 B 43 B
react-charts GroupedVerticalBarChart	398.1 kB 120.879 kB	398.251 kB 120.919 kB	151 B 40 B
react-charts HeatMapChart	392.303 kB 120.013 kB	392.454 kB 120.063 kB	151 B 50 B
react-charts HorizontalBarChart	297.281 kB 86.243 kB	297.432 kB 86.296 kB	151 B 53 B
react-charts Legends	236.192 kB 69.589 kB	236.343 kB 69.628 kB	151 B 39 B
react-charts LineChart	417.675 kB 126.61 kB	417.826 kB 126.654 kB	151 B 44 B
react-charts PolarChart	346.165 kB 105.681 kB	346.316 kB 105.722 kB	151 B 41 B
react-charts ScatterChart	397.502 kB 120.762 kB	397.653 kB 120.808 kB	151 B 46 B
react-charts VerticalBarChart	434.577 kB 126.369 kB	434.728 kB 126.419 kB	151 B 50 B
react-charts VerticalStackedBarChart	404.014 kB 121.7 kB	404.165 kB 121.738 kB	151 B 38 B
react-components react-components: entire library	1.291 MB 323.029 kB	1.291 MB 323.081 kB	151 B 52 B
react-overflow hooks only	11.977 kB 4.574 kB	12.117 kB 4.627 kB	140 B 53 B

Unchanged fixtures

Package & Exports	Size (minified/GZIP)
react-breadcrumb @fluentui/react-breadcrumb - package	115.758 kB 31.742 kB
react-charts HorizontalBarChartWithAxis	63 B 83 B
react-charts SankeyChart	214.767 kB 65.946 kB
react-charts Sparkline	91.393 kB 28.708 kB
react-components react-components: Button, FluentProvider & webLightTheme	71.11 kB 20.219 kB
react-components react-components: Accordion, Button, FluentProvider, Image, Menu, Popover	237.741 kB 68.697 kB
react-components react-components: FluentProvider & webLightTheme	44.409 kB 14.303 kB
react-portal-compat PortalCompatProvider	8.386 kB 2.624 kB
react-timepicker-compat TimePicker	109.036 kB 36.023 kB

_{🤖 This report was generated against d8cc253c048dc1f7f04955a6360dbfa9ed6ae649}

[github-actions]

Pull request demo site: URL

[github-actions]

🕵🏾‍♀️ visual changes to review in the Visual Change Report

vr-tests-react-components/Charts-DonutChart 1 screenshots

Image Name	Diff(in Pixels)	Image Type
vr-tests-react-components/Charts-DonutChart.Dynamic - RTL.default.chromium.png	5570	Changed

vr-tests-react-components/Positioning 2 screenshots

Image Name	Diff(in Pixels)	Image Type
vr-tests-react-components/Positioning.Positioning end.updated 2 times.chromium.png	614	Changed
vr-tests-react-components/Positioning.Positioning end.chromium.png	130	Changed

vr-tests-react-components/TagPicker 2 screenshots

Image Name	Diff(in Pixels)	Image Type
vr-tests-react-components/TagPicker.disabled - RTL.chromium.png	635	Changed
vr-tests-react-components/TagPicker.disabled.disabled input hover.chromium.png	677	Changed

There were 2 duplicate changes discarded. Check the build logs for more information.