The discussion above on user gesture / user activation fits better at bug 1892655. The request here is specifically about the `sidebarAction.open`, for which a potential solution could be to drop the user interaction requirement from the API as noted in comment 3.
Bug 1800401 Comment 8 Edit History
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The discussion above on user gesture / user activation fits better at bug 1398833. The request here is specifically about the `sidebarAction.open`, for which a potential solution could be to drop the user interaction requirement from the API as noted in comment 3.