fixed: crash in Appdetailpage on install progress

    suspend fun calculateProgress(progress: DownloadProgress): Pair<Long, Long> {

        fusedApp.value?.let { app ->

            val appDownload = fusedManagerRepository.getDownloadList().single { it.id.contentEquals(app._id) }

            val appDownload = fusedManagerRepository.getDownloadList().singleOrNull { it.id.contentEquals(app._id) }

            val downloadingMap = progress.totalSizeBytes.filter { item ->

                appDownload.downloadIdMap.keys.contains(item.key)

                appDownload?.downloadIdMap?.keys?.contains(item.key) == true

            }

            val totalSizeBytes = downloadingMap.values.sum()

            val downloadedSoFar = progress.bytesDownloadedSoFar.filter { item -> appDownload.downloadIdMap.keys.contains(item.key) }.values.sum()

            val downloadedSoFar = progress.bytesDownloadedSoFar.filter { item -> appDownload?.downloadIdMap?.keys?.contains(item.key) == true }.values.sum()

            return Pair(totalSizeBytes, downloadedSoFar)

        }