doc: Use correct accessibility package version in codesandbox

[miroslavstastny]

@fluentui/react package version was incorrectly used for @fluentui/accessibility in project exported to codesandbox.

That breaks if @fluentui/react is released without releasing @fluentui/accessibility.

[DustyTheBot]

Perf comparison

Status	Scenario	Fluent TPI	Fabric TPI	Ratio	Iterations	Ticks
🔧	Avatar.Fluent	0.57	0.36	1.58:1	2000	1150
🔧	Button.Fluent	1.69	0.21	8.05:1	1000	1694
🔧	Checkbox.Fluent	1.85	0.34	5.44:1	1000	1848
🔧	Dialog.Fluent	0.36	0.18	2:1	5000	1814
🔧	Dropdown.Fluent	3.41	0.35	9.74:1	1000	3410
🔧	Icon.Fluent	0.24	0.03	8:1	5000	1217
🔧	Image.Fluent	0.1	0.08	1.25:1	5000	520
🔧	Slider.Fluent	2.39	0.37	6.46:1	1000	2394
🦄	Text.Fluent	0.06	0.21	0.29:1	5000	308
🦄	Tooltip.Fluent	0.4	18.56	0.02:1	5000	2009

🔧 Needs work     🎯 On target     🦄 Amazing

Perf tests with no regressions

Scenario	Current PR Ticks	Baseline Ticks	Ratio
RadioGroupMinimalPerf.default	499	407	1.23:1
FlexMinimalPerf.default	376	331	1.14:1
SegmentMinimalPerf.default	1408	1238	1.14:1
SplitButtonMinimalPerf.default	13511	11980	1.13:1
Button.Fluent	1694	1502	1.13:1
Dialog.Fluent	1814	1653	1.1:1
ChatMinimalPerf.default	1652	1536	1.08:1
LoaderMinimalPerf.default	2749	2535	1.08:1
PortalMinimalPerf.default	252	233	1.08:1
HierarchicalTreeMinimalPerf.default	804	751	1.07:1
ToolbarMinimalPerf.default	756	706	1.07:1
MenuButtonMinimalPerf.default	1591	1494	1.06:1
ListCommonPerf.default	1150	1091	1.05:1
Checkbox.Fluent	1848	1753	1.05:1
ReactionMinimalPerf.default	2704	2594	1.04:1
SliderMinimalPerf.default	2054	1981	1.04:1
TableMinimalPerf.default	581	559	1.04:1
AccordionMinimalPerf.default	189	183	1.03:1
HeaderSlotsPerf.default	1255	1215	1.03:1
AvatarMinimalPerf.default	615	601	1.02:1
CarouselMinimalPerf.default	1753	1722	1.02:1
DialogMinimalPerf.default	1766	1735	1.02:1
EmbedMinimalPerf.default	6334	6180	1.02:1
AttachmentSlotsPerf.default	3313	3288	1.01:1
BoxMinimalPerf.default	212	209	1.01:1
ButtonMinimalPerf.default	1256	1247	1.01:1
ChatDuplicateMessagesPerf.default	509	505	1.01:1
LabelMinimalPerf.default	2073	2047	1.01:1
TextMinimalPerf.default	273	271	1.01:1
CustomToolbarPrototype.default	4153	4096	1.01:1
TooltipMinimalPerf.default	2164	2146	1.01:1
Icon.Fluent	1217	1202	1.01:1
Text.Fluent	308	306	1.01:1
ButtonSlotsPerf.default	1742	1740	1:1
ImageMinimalPerf.default	537	536	1:1
DividerMinimalPerf.default	913	922	0.99:1
ProviderMinimalPerf.default	723	731	0.99:1
RefMinimalPerf.default	157	159	0.99:1
AlertMinimalPerf.default	535	545	0.98:1
TextAreaMinimalPerf.default	2976	3026	0.98:1
Dropdown.Fluent	3410	3492	0.98:1
Slider.Fluent	2394	2434	0.98:1
AttachmentMinimalPerf.default	939	970	0.97:1
CheckboxMinimalPerf.default	6993	7194	0.97:1
InputMinimalPerf.default	985	1014	0.97:1
LayoutMinimalPerf.default	520	535	0.97:1
TreeMinimalPerf.default	812	841	0.97:1
Image.Fluent	520	536	0.97:1
GridMinimalPerf.default	758	793	0.96:1
MenuMinimalPerf.default	2137	2234	0.96:1
AnimationMinimalPerf.default	420	441	0.95:1
HeaderMinimalPerf.default	396	417	0.95:1
VideoMinimalPerf.default	664	700	0.95:1
ItemLayoutMinimalPerf.default	1698	1805	0.94:1
DropdownMinimalPerf.default	3617	3903	0.93:1
Tooltip.Fluent	2009	2169	0.93:1
DropdownManyItemsPerf.default	454	500	0.91:1
IconMinimalPerf.default	1065	1172	0.91:1
StatusMinimalPerf.default	841	922	0.91:1
ChatWithPopoverPerf.default	519	584	0.89:1
FormMinimalPerf.default	733	834	0.88:1
ListMinimalPerf.default	736	854	0.86:1
PopupMinimalPerf.default	357	418	0.85:1
Avatar.Fluent	1150	1384	0.83:1
ProviderMergeThemesPerf.default	1092	1336	0.82:1

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