refactor: move dispatcher to io for upload avatar

logic/src/commonMain/kotlin/com/wire/kalium/logic/feature/user/UploadUserAvatarUseCase.kt

@@ -25,6 +25,8 @@ import com.wire.kalium.logic.data.user.UserRepository
 import com.wire.kalium.logic.functional.flatMap
 import com.wire.kalium.logic.functional.fold
 import com.wire.kalium.logic.functional.map
+import com.wire.kalium.util.KaliumDispatcherImpl
+import kotlinx.coroutines.withContext
 import okio.Path
 
 interface UploadUserAvatarUseCase {
@@ -40,17 +42,20 @@ interface UploadUserAvatarUseCase {
 
 internal class UploadUserAvatarUseCaseImpl(
     private val userDataSource: UserRepository,
-    private val assetDataSource: AssetRepository
+    private val assetDataSource: AssetRepository,
+    private val dispatcher: KaliumDispatcherImpl = KaliumDispatcherImpl
 ) : UploadUserAvatarUseCase {
 
     override suspend operator fun invoke(imageDataPath: Path, imageDataSize: Long): UploadAvatarResult {
-        return assetDataSource.uploadAndPersistPublicAsset("image/jpg", imageDataPath, imageDataSize).flatMap { asset ->
-            userDataSource.updateSelfUser(newAssetId = asset.key).map { asset }
-        }.fold({
-            UploadAvatarResult.Failure(it)
-        }) { updatedAsset ->
-            UploadAvatarResult.Success(UserAssetId(updatedAsset.key, updatedAsset.domain))
-        } // TODO(assets): remove old assets, non blocking this response, as will imply deleting locally and remotely
+        return withContext(dispatcher.io) {
+            assetDataSource.uploadAndPersistPublicAsset("image/jpg", imageDataPath, imageDataSize).flatMap { asset ->
+                userDataSource.updateSelfUser(newAssetId = asset.key).map { asset }
+            }.fold({
+                UploadAvatarResult.Failure(it)
+            }) { updatedAsset ->
+                UploadAvatarResult.Success(UserAssetId(updatedAsset.key, updatedAsset.domain))
+            } // TODO(assets): remove old assets, non blocking this response, as will imply deleting locally and remotely
+        }
     }
 }