… refactored out across child components as an outdated pattern in favor of inheritable props set directly on parent

…oss child components as an outdated pattern in favor of inheritable props set directly on parent

**Related Issue:** #7574

## Summary

- use dragAndDrop util for more tests.

**Related Issue:** None

## Summary

- catch error when beforeBack promise is rejected

**Related Issue:** #6381

## Summary

- catch error when beforeClose promise is rejected

**Related Issue:** #4738 

## Summary

Adds `single-persist` mode to `calcite-combobox` to allow users to
opt-in to this change in selection behavior (vs making it a breaking
change on the current `single` selection mode).

`clearDisabled` will behave the same way unless we want to make an
exception to this mode.

… for `selection-mode='ancestors'` (#7572)

**Related Issue:** #7291

## Summary

Updates state of `calcite-tree-item` when `selected` prop is changed
programmatically.

**Related Issue:** #4633 ,
#6642

## Summary

This PR will add focus outline for `calcite-rating` component on click.

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