fix: global shortcut media keys working with accessibility

[codebytere]

Description of Change

Closes #24052.

Initially, I tried to fix this in #21442, by patching out Chromium's usage of RemoteCommandCenterDelegate entirely, as it uses MPRemoteCommandCenter in a change added in this CL. MPRemoteCommandCenter makes it such that globalShortcuts in Electron will not work as intended, because by design an app does not receive remote control events until it begins playing audio. However, as of macOS Catalina, the alternate implementation requires accessibility access to have been granted, which means that it created a situation where simply trying to watch a YouTube video and hitting play/pause would trigger Electron to request a user for Accessibility permissions. For many large apps this is extremely undesirable behavior.

This second-pass solution splits the difference. What we want is for unilateral override only when registering globalShortcuts, which means disabling internal media key handling specifically in that use case. Chromium's media key listener manager already kept track of media_key_handling_enabled as a member, so I added a new static method to GlobalShortcutListenerMac that allows us to enable and disable it when registering and unregistering shortcuts. Then, we can ensure it's off when registering global shortcuts, and on otherwise (preserving previous behavior).

Tested with https://gist.github.com/codebytere/a7e33c6f03a84dbcc2878859237422dd.

cc @MarshallOfSound @ckerr @zcbenz

Checklist

• PR description included and stakeholders cc'd
• npm test passes
• PR title follows semantic commit guidelines
• PR release notes describe the change in a way relevant to app developers, and are capitalized, punctuated, and past tense.
• This is NOT A BREAKING CHANGE. Breaking changes may not be merged to master until 11-x-y is branched.

Release Notes

Notes: Fixed media keys working unilaterally when registered with globalShortcut

[MarshallOfSound]

Just blocking temporarily until I can test this out a bit. Just want some manual sanity checks on the expected behavior here

[somebeaver]

@MarshallOfSound Hello, I do not mean to pester, I am just looking for an update on if this will be merged soon, as it has been manually blocked for about a month. Thank you :)

[release-clerk]

Release Notes Persisted

Fixed media keys working unilaterally when registered with globalShortcut

[trop]

I was unable to backport this PR to "10-x-y" cleanly;
you will need to perform this backport manually.

[trop]

I was unable to backport this PR to "9-x-y" cleanly;
you will need to perform this backport manually.