fix(macOS) fix missing thumbnails when enumerating SS sources

main.js

@@ -35,9 +35,15 @@ const ENABLE_REMOTE_CONTROL = false;
 // We need this because of https://github.com/electron/electron/issues/18214
 app.commandLine.appendSwitch('disable-site-isolation-trials');
 
-// This allows BrowserWindow.setContentProtection(true) to work on macOS.
-// https://github.com/electron/electron/issues/19880
-app.commandLine.appendSwitch('disable-features', 'DesktopCaptureMacV2,IOSurfaceCapturer');
+// Fix screen-sharing thumbnails being missing sometimes.
+// https://github.com/electron/electron/issues/44504
+const disabledFeatures = [
+    'ThumbnailCapturerMac:capture_mode/sc_screenshot_manager',
+    'ScreenCaptureKitPickerScreen',
+    'ScreenCaptureKitStreamPickerSonoma'
+];
+
+app.commandLine.appendSwitch('disable-features', disabledFeatures.join(','));
 
 // Enable Opus RED field trial.
 app.commandLine.appendSwitch('force-fieldtrials', 'WebRTC-Audio-Red-For-Opus/Enabled/');