desktop: notifications support (#2754)

* desktop: notifications support

* adapted external lib for interacting with notificatioins

* disabled some functions

apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/views/helpers/Utils.android.kt

@@ -277,6 +277,7 @@ actual fun getDrawableFromUri(uri: URI, withAlertOnException: Boolean): Any? {
 actual suspend fun saveTempImageUncompressed(image: ImageBitmap, asPng: Boolean): File? {
   return try {
     val ext = if (asPng) "png" else "jpg"
+    tmpDir.mkdir()
     return File(tmpDir.absolutePath + File.separator + generateNewFileName("IMG", ext)).apply {
       outputStream().use { out ->
         image.asAndroidBitmap().compress(if (asPng) Bitmap.CompressFormat.PNG else Bitmap.CompressFormat.JPEG, 85, out)

apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/views/onboarding/SetNotificationsMode.android.kt

@@ -13,14 +13,14 @@ actual fun SetNotificationsModeAdditions() {
     val notificationsPermissionState = rememberPermissionState(Manifest.permission.POST_NOTIFICATIONS)
     LaunchedEffect(notificationsPermissionState.hasPermission) {
       if (notificationsPermissionState.hasPermission) {
-        ntfManager.createNtfChannelsMaybeShowAlert()
+        ntfManager.androidCreateNtfChannelsMaybeShowAlert()
       } else {
         notificationsPermissionState.launchPermissionRequest()
       }
     }
   } else {
     LaunchedEffect(Unit) {
-      ntfManager.createNtfChannelsMaybeShowAlert()
+      ntfManager.androidCreateNtfChannelsMaybeShowAlert()
     }
   }
 }