fix(browser): call notifyListeners only when browser is dismissed #407

Job	Run time
setup	2m 48s
release-dev-of-plugins (action-sheet)	33s
release-dev-of-plugins (app)	38s
release-dev-of-plugins (app-launcher)	36s
release-dev-of-plugins (browser)	35s
release-dev-of-plugins (camera)	36s
release-dev-of-plugins (clipboard)	31s
release-dev-of-plugins (device)	29s
release-dev-of-plugins (dialog)	35s
release-dev-of-plugins (filesystem)	36s
release-dev-of-plugins (geolocation)	36s
release-dev-of-plugins (haptics)	35s
release-dev-of-plugins (keyboard)	35s
release-dev-of-plugins (local-notifications)	31s
release-dev-of-plugins (motion)	35s
release-dev-of-plugins (network)	29s
release-dev-of-plugins (preferences)	30s
release-dev-of-plugins (push-notifications)	36s
release-dev-of-plugins (screen-orientation)	28s
release-dev-of-plugins (screen-reader)	31s
release-dev-of-plugins (share)	35s
release-dev-of-plugins (splash-screen)	29s
release-dev-of-plugins (status-bar)	30s
release-dev-of-plugins (text-zoom)	40s
release-dev-of-plugins (toast)	32s
	16m 9s

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