Popover: Hide all element overflow

[danielchalmers]

Description

https://try.mudblazor.com/snippet/maGevYFcqSgjKkjX

Hides all overflow from the popover component so that a high border radius won't visibly clip through. I'm unaware of any real world uses of the previous behaviour so it could technically be considered a breaking UI change but with low consequence (simply override the overflow style).

How Has This Been Tested?

visually

Type of Changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation (fix or improvement to the website or code docs)

Take note of the hover style on the last menu item:

before

after

Checklist

• The PR is submitted to the correct branch (dev).
• My code follows the code style of this project.
• I've added relevant tests.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.97%. Comparing base (28bc599) to head (2988cff).
Report is 1103 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #9993      +/-   ##
==========================================
+ Coverage   89.82%   90.97%   +1.14%     
==========================================
  Files         412      407       -5     
  Lines       11878    12593     +715     
  Branches     2364     2451      +87     
==========================================
+ Hits        10670    11456     +786     
+ Misses        681      581     -100     
- Partials      527      556      +29     

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[ScarletKuro]

Makes sense to me

[ScarletKuro]

This cause a regression for missing shadow in datepicker #10235

[ScarletKuro]

Found another regression by this PR.
Arrow tooltips do not show the arrow:
https://dev.mudblazor.com/components/tooltip#arrow-tooltips

[danielchalmers]

Reverted for now. Hard to handle all possible uses. Current recommendation is to apply overflow: hidden yourself if you use border-radius