feat(vue-wrappers): improve slot handling (VIV-2383)

[RichardHelm]

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (d61b119) to head (fdb6d3f). Report is 1381 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##              main     #2255      +/-   ##
============================================
  Coverage   100.00%   100.00%              
============================================
  Files          123       375     +252     
  Lines         1562     16770   +15208     
  Branches       108      2942    +2834     
============================================
+ Hits          1562     16770   +15208     

Flag	Coverage Δ
unittests	100.00% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

:rocket: New features to boost your workflow:

• :snowflake: Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• :package: JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.