Improve extension to fix a copy paste issue.

libraries/push/impl/src/main/kotlin/io/element/android/libraries/push/impl/notifications/DefaultNotifiableEventResolver.kt

@@ -103,7 +103,7 @@ class DefaultNotifiableEventResolver @Inject constructor(
                     timestamp = this.timestamp,
                     senderDisambiguatedDisplayName = senderDisambiguatedDisplayName,
                     body = messageBody,
-                    imageUriString = fetchImageIfPresent(client)?.toString(),
+                    imageUriString = content.fetchImageIfPresent(client)?.toString(),
                     roomName = roomDisplayName,
                     roomIsDm = isDm,
                     roomAvatarPath = roomAvatarUrl,
@@ -148,7 +148,6 @@ class DefaultNotifiableEventResolver @Inject constructor(
                     timestamp = this.timestamp,
                     senderDisambiguatedDisplayName = getDisambiguatedDisplayName(content.senderId),
                     body = stringProvider.getString(CommonStrings.common_call_invite),
-                    imageUriString = fetchImageIfPresent(client)?.toString(),
                     roomName = roomDisplayName,
                     roomIsDm = isDm,
                     roomAvatarPath = roomAvatarUrl,
@@ -288,10 +287,8 @@ class DefaultNotifiableEventResolver @Inject constructor(
         }
     }
 
-    private suspend fun NotificationData.fetchImageIfPresent(client: MatrixClient): Uri? {
-        val fileResult = when (val content = this.content) {
-            is NotificationContent.MessageLike.RoomMessage -> {
-                when (val messageType = content.messageType) {
+    private suspend fun NotificationContent.MessageLike.RoomMessage.fetchImageIfPresent(client: MatrixClient): Uri? {
+        val fileResult = when (val messageType = messageType) {
             is ImageMessageType -> notificationMediaRepoFactory.create(client)
                 .getMediaFile(
                     mediaSource = messageType.source,
@@ -301,9 +298,7 @@ class DefaultNotifiableEventResolver @Inject constructor(
             is VideoMessageType -> null // Use the thumbnail here?
             else -> null
         }
-            }
-            else -> null
-        } ?: return null
+            ?: return null
 
         return fileResult
             .onFailure {