Activating an extension's toolbar button is a common action. In Chromium-based browsers, all extensions will get a shortcut key to trigger this function. This is very convenient for users, but Firefox does not have such a feature.
While some extensions have special treatment for Firefox, like uBlock Origin and Violentmonkey, there are many that don't, like Dark Reader, Feddbro, and more.
For extensions that do not have this shortcut key, we can only ask the authors one by one to add _execute_browser_action to the Firefox extension manifest to obtain a consistent experience with the Chromium browser, but this is not a good overall solution.
Is it possible to add this shortcut key by default for extensions that do not define _execute_browser_action in the extension manifest?
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