Raphaël LEMIEUX

Part of itwin/itwinjs-backlog#41 Part 1 of removing enzyme dependency for core-react Splitting in multiple PR so we can review them as I progress. Updates `@testing-library/user-event` to 14.4.2 which had some...

Only elevate the splitter above the sibling components rather than overall elevation, which made the splitter interactive above menus, popout, dialogs and modal frontstages. See following bug investigation notes... fixes...

### Describe the feature you'd like: When `getByText` returns an error message it currently does not mention if any selector other than "*" was provided to the query and returns...

[map layers] Remove @imports from scss files and replace by @use and @forward

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We are getting issues when building @itwin/map-layers package in our test app because it still uses `@import` rule. see [breaking change](https://sass-lang.com/documentation/breaking-changes/import/) from sass website.