Revert "don't check updates for system apps"

    private fun getInstalledApplications(): ArrayList<ApplicationData> {

        val result = ArrayList<ApplicationData>()

        packageManager.getInstalledApplications(PackageManager.GET_META_DATA).forEach { app ->

            if (packageManager.getLaunchIntentForPackage(app.packageName) != null) {

        packageManager.getInstalledApplications(0).forEach { app ->

            result.add(ApplicationData(app.packageName))

        }

        }

        return result

    }