test(tools): add docs for type utils and cover those utils by tests

[Hotell]

Pull request checklist

• Addresses an existing issue: partially implements Implement build infra around TS path aliases for convergence #16889
• [ ] Include a change request file using $ yarn change

Description of changes

• follow up fix(tools): preserve types and tags when running migration on already migrated project #18554

Focus areas to test

(optional)

[size-auditor]

Asset size changes

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

Baseline commit: bbbed62d08a2c928b913a80d197938a2f5aea9db (build)

[fabricteam]

Perf Analysis (@fluentui/react)

No significant results to display.

All results

Scenario	Render type	Master Ticks	PR Ticks	Iterations	Status
Avatar	mount	796	806	5000
BaseButton	mount	921	911	5000
Breadcrumb	mount	2664	2633	1000
ButtonNext	mount	542	522	5000
Checkbox	mount	1540	1555	5000
CheckboxBase	mount	1262	1317	5000
ChoiceGroup	mount	4761	4761	5000
ComboBox	mount	964	985	1000
CommandBar	mount	10186	10305	1000
ContextualMenu	mount	6313	6337	1000
DefaultButton	mount	1154	1138	5000
DetailsRow	mount	3658	3696	5000
DetailsRowFast	mount	3706	3727	5000
DetailsRowNoStyles	mount	3505	3490	5000
Dialog	mount	2159	2157	1000
DocumentCardTitle	mount	136	139	1000
Dropdown	mount	3216	3269	5000
FocusTrapZone	mount	1805	1873	5000
FocusZone	mount	1845	1802	5000
IconButton	mount	1773	1771	5000
Label	mount	349	326	5000
Layer	mount	1805	1779	5000
Link	mount	465	470	5000
MakeStyles	mount	1844	1834	50000
MenuButton	mount	1490	1455	5000
MessageBar	mount	2026	2045	5000
Nav	mount	3295	3296	1000
OverflowSet	mount	1056	1045	5000
Panel	mount	2075	2067	1000
Persona	mount	847	802	1000
Pivot	mount	1360	1429	1000
PrimaryButton	mount	1300	1300	5000
Rating	mount	7640	7587	5000
SearchBox	mount	1270	1321	5000
Shimmer	mount	2556	2570	5000
Slider	mount	1998	1969	5000
SpinButton	mount	4912	4975	5000
Spinner	mount	451	408	5000
SplitButton	mount	3168	3156	5000
Stack	mount	503	501	5000
StackWithIntrinsicChildren	mount	1545	1558	5000
StackWithTextChildren	mount	4484	4446	5000
SwatchColorPicker	mount	10126	10253	5000
Tabs	mount	1400	1410	1000
TagPicker	mount	2448	2461	5000
TeachingBubble	mount	11918	11899	5000
Text	mount	435	422	5000
TextField	mount	1402	1367	5000
ThemeProvider	mount	1207	1203	5000
ThemeProvider	virtual-rerender	599	590	5000
ThemeProviderNext	mount	7111	7221	5000
Toggle	mount	808	813	5000
buttonNative	mount	122	115	5000

Perf Analysis (@fluentui/react-northstar)

Perf tests with no regressions

Scenario	Current PR Ticks	Baseline Ticks	Ratio
ButtonMinimalPerf.default	179	164	1.09:1
AccordionMinimalPerf.default	159	148	1.07:1
AlertMinimalPerf.default	290	271	1.07:1
AttachmentSlotsPerf.default	1181	1107	1.07:1
AttachmentMinimalPerf.default	162	153	1.06:1
FormMinimalPerf.default	409	385	1.06:1
HeaderMinimalPerf.default	366	346	1.06:1
GridMinimalPerf.default	348	331	1.05:1
TreeMinimalPerf.default	811	773	1.05:1
HeaderSlotsPerf.default	777	749	1.04:1
TreeWith60ListItems.default	170	164	1.04:1
ButtonOverridesMissPerf.default	1705	1658	1.03:1
CarouselMinimalPerf.default	467	453	1.03:1
InputMinimalPerf.default	1274	1231	1.03:1
LayoutMinimalPerf.default	371	359	1.03:1
ListMinimalPerf.default	516	502	1.03:1
ListNestedPerf.default	549	533	1.03:1
LoaderMinimalPerf.default	703	684	1.03:1
PortalMinimalPerf.default	193	188	1.03:1
RefMinimalPerf.default	252	245	1.03:1
AvatarMinimalPerf.default	196	193	1.02:1
ChatMinimalPerf.default	615	602	1.02:1
FlexMinimalPerf.default	287	282	1.02:1
TableMinimalPerf.default	402	396	1.02:1
TextAreaMinimalPerf.default	511	500	1.02:1
ToolbarMinimalPerf.default	954	937	1.02:1
CheckboxMinimalPerf.default	2733	2718	1.01:1
DialogMinimalPerf.default	760	756	1.01:1
EmbedMinimalPerf.default	4178	4127	1.01:1
LabelMinimalPerf.default	382	379	1.01:1
MenuMinimalPerf.default	857	851	1.01:1
PopupMinimalPerf.default	581	575	1.01:1
ProviderMergeThemesPerf.default	1692	1682	1.01:1
ProviderMinimalPerf.default	963	950	1.01:1
SegmentMinimalPerf.default	354	352	1.01:1
SkeletonMinimalPerf.default	361	356	1.01:1
TextMinimalPerf.default	364	359	1.01:1
TooltipMinimalPerf.default	983	972	1.01:1
VideoMinimalPerf.default	646	642	1.01:1
AnimationMinimalPerf.default	402	403	1:1
ButtonSlotsPerf.default	559	560	1:1
CardMinimalPerf.default	543	541	1:1
ChatWithPopoverPerf.default	367	366	1:1
DatepickerMinimalPerf.default	5384	5404	1:1
DropdownManyItemsPerf.default	682	684	1:1
DropdownMinimalPerf.default	3070	3056	1:1
ItemLayoutMinimalPerf.default	1276	1270	1:1
SliderMinimalPerf.default	1556	1562	1:1
SplitButtonMinimalPerf.default	3712	3726	1:1
StatusMinimalPerf.default	667	664	1:1
IconMinimalPerf.default	608	607	1:1
TableManyItemsPerf.default	1865	1858	1:1
CustomToolbarPrototype.default	3794	3786	1:1
BoxMinimalPerf.default	346	350	0.99:1
ChatDuplicateMessagesPerf.default	294	296	0.99:1
MenuButtonMinimalPerf.default	1591	1599	0.99:1
RadioGroupMinimalPerf.default	443	449	0.99:1
ReactionMinimalPerf.default	383	385	0.99:1
ListCommonPerf.default	627	638	0.98:1
RosterPerf.default	1146	1173	0.98:1
ImageMinimalPerf.default	351	367	0.96:1
ListWith60ListItems.default	624	647	0.96:1
DividerMinimalPerf.default	343	370	0.93:1