fix(react): add prop adapter for downshift changes

[joshblack]

Closes #6420

Adds in the prop adapter for Downshift to map from initial to default without a breaking change

Changelog

New

Changed

• Add prop adapter to MultiSelect, Dropdown, Combobox, and Filterable MultiSelect

Removed

Testing / Reviewing

• Checkout the PR locally
• Run storybook
• Update the combobox story with the example from: fix(combobox): fix initial selected item #6425 and verify that it works as intended

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[flannanl]

@joshblack I pull the code from your PR and try but it does not work for me.

[joshblack]

@flannanl was it using your storybook example from the other PR? Or is this application code?

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[flannanl]

@joshblack I was testing with the storybook example I gave in my PR.

[joshblack]

Hmm, not sure what's going on. Before the change we got this (incorrect) behavior:

When updating it, I get this behavior:

With this code:

[flannanl]

@joshblack did you try to open the dropdown and then lose focus?

[flannanl]

@joshblack Here is a clip showing the fix does not work.

[joshblack]

Thanks @flannanl! Totally get what you mean now, for ComboBox I totally missed that it was setting default directly instead of being in the mapping layer, will make sure to update along with the other changes. Thanks!

[joshblack]

@flannanl just updated with that change!

[flannanl]

@joshblack Thanks! Your latest fixes work!

[tw15egan]

Working as expected 👍 ✅

[emyarod]

looks good to me