Bug Report

• Package version(s): 5.0
• Browser and OS versions: FF, Chrome, Safari, Edge

Priorities and help requested (not applicable if asking question):

Are you willing to submit a PR to fix? Yes

Requested priority: Low

Describe the issue:

The Picker and PeoplePicker components open their drop down on the left side instead of the right side in RTL.

Actual behavior:

Expected behavior:

The drop down menu of the Pickers should be opened on the right side.