PeoplePicker - Provide a method / prop to Clear the content properly

[michaelmaillot]

Category

[x] Enhancement

[ ] Bug

[ ] Question

Version

Please specify what version of the library you are using: [3.15.0]

Expected / Desired Behavior / Question

When the control contains users / groups and we want it to be cleared programmatically, there should be a method / prop to do so.

Observed Behavior

Raised in #1569, the only way to clear the picker is through a ref.onChange event trigger with an empty array, which could be improved.

Steps to Reproduce

• Add the PeoplePicker control in a React component
• Add entries within the control
• Try to clear its content through code

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[DevPio]

I would like to work on this task, could you assign it to me?

[michaelmaillot]

Linked PR has been merged, it should be available soon in next beta release.

Thanks again for your contribution!