chore(deps-dev): bump electron from 39.8.3 to 39.8.4 in /editor

[dependabot]

Bumps electron from 39.8.3 to 39.8.4.

Release notes

Sourced from electron's releases.

electron v39.8.4

Release Notes for v39.8.4

Fixes

• Fixed an issue where nodeIntegrationInWorker overrides in setWindowOpenHandler were not honored for child windows sharing a renderer process with their opener. #50468 (Also in 38, 40, 41)
• Fixed crash when handling JavaScript dialogs from windows opened with invalid or empty URLs. #50400 (Also in 40, 41, 42)
• Fixed improper focus tracking in BaseWindow on MacOS. #50338 (Also in 40, 41, 42)
• Fixed window freeze when failing to enter/exit fullscreen on macOS. #50341 (Also in 40, 41, 42)

Other Changes

• Added support for using a proxy during yarn install. #50349 (Also in 40, 41, 42)
• Backported fix for 485935305. #50440
• Backported fix for 489381399. #50443
• Backported fix for chromium:475877320. #50436
• Backported fixes for 484751092, 487117772. #50461

Commits

• 7007907 chore: cherry-pick 3 changes from chromium (#50461)
• 2c8b6ee chore: cherry-pick fbfb27470bf6 from chromium (#50436)
• 4c64377 chore: cherry-pick 50b057660b4d from chromium (#50440)
• 0ef0561 fix: read nodeIntegrationInWorker from per-frame WebPreferences (#50122) (#50...
• 64373df chore: cherry-pick 074d472db745 from chromium (#50443)
• 13e4407 fix: don't re-parse URL unnecessarily when handling dialogs (#50400)
• 16a0385 ci: output build cache hit rate as GHA annotation (#50369)
• 00a492d chore: Respect HTTP(S) proxy env variable for Yarn (#50349)
• 290a77b fix: correctly track BaseWindow::IsActive() on MacOS (#50338)
• 87baa17 fix: ensure WebContents::WasShown runs when window is shown (#50341)
• See full diff in compare view

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