feat(MenuV2): add empty state on groups

[matthprost]

Summary

Type

• Enhancement

Summarise concisely:

What is expected?

Add prop emptyState on <MenuV2.Group /> that can be usefull when searching

Relevant logs and/or screenshots

Page	Before	After
url

[changeset-bot]

🦋 Changeset detected

Latest commit: 4705603

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
@ultraviolet/ui	Minor
@ultraviolet/form	Patch
@ultraviolet/plus	Patch

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.37%. Comparing base (781be4f) to head (4705603).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4895   +/-   ##
=======================================
  Coverage   89.36%   89.37%           
=======================================
  Files         235      235           
  Lines        8231     8234    +3     
  Branches     3769     3721   -48     
=======================================
+ Hits         7356     7359    +3     
  Misses        875      875           

Files with missing lines	Coverage Δ
...ages/ui/src/components/MenuV2/components/Group.tsx	100.00% <100.00%> (ø)

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[fabienhebert]

Not easier to let the developer display something else Menu.Group if he has no data for the group ?