fix(ui): Add null check and default config in CircleTransform (#1040)

* Add null check and default config in CircleTransform

* update changelog

Author: renefloor

packages/stream_video_flutter/CHANGELOG.md

@@ -9,6 +9,9 @@
 🔄 Dependency updates
 * Updated `flutter_callkit_incoming` dependency to the latests (2.5.5) version. That version contains Android 14 compatibility fixes for ringing notifications and lock screen handling.
 
+🐞 Fixed
+* (Android) CircleTransform Argument type mismatch on Bitmap.Config?
+
 ## 0.10.1
 
 🐞 Fixed

packages/stream_video_flutter/android/src/main/kotlin/io/getstream/video/flutter/stream_video_flutter/service/notification/image/CircleTransform.kt

@@ -16,7 +16,8 @@ class CircleTransform : Transformation {
         if (squaredBitmap != source) {
             source.recycle()
         }
-        val bitmap = Bitmap.createBitmap(size, size, source.config)
+        val config = source.config ?: Bitmap.Config.ARGB_8888
+        val bitmap = Bitmap.createBitmap(size, size, config)
         val canvas = Canvas(bitmap)
         val paint = Paint()
         val shader = BitmapShader(