RoomList: add avatar for rooms and date formatting

libraries/matrix/src/main/java/io/element/android/x/matrix/MatrixClient.kt

@@ -96,10 +96,21 @@ class MatrixClient internal constructor(
         }
     }
 
-    suspend fun loadMediaContentForSource(source: MediaSource): Result<List<UByte>> =
+    suspend fun loadMediaContentForSource(source: MediaSource): Result<ByteArray> =
         withContext(dispatchers.io) {
             runCatching {
-                client.getMediaContent(source)
+                client.getMediaContent(source).toUByteArray().toByteArray()
+            }
+        }
+
+    suspend fun loadMediaThumbnailForSource(
+        source: MediaSource,
+        width: Long,
+        height: Long
+    ): Result<ByteArray> =
+        withContext(dispatchers.io) {
+            runCatching {
+                client.getMediaThumbnail(source, width.toULong(), height.toULong()).toUByteArray().toByteArray()
             }
         }
 

libraries/matrix/src/main/java/io/element/android/x/matrix/room/RoomSummary.kt

@@ -23,5 +23,5 @@ data class RoomSummaryDetails(
     val avatarURLString: String?,
     val lastMessage: CharSequence?,
     val lastMessageTimestamp: Long?,
-    val unreadNotificationCount: UInt,
+    val unreadNotificationCount: Int,
 )

libraries/matrix/src/main/java/io/element/android/x/matrix/room/RoomSummaryDataSource.kt

@@ -126,7 +126,7 @@ internal class RustRoomSummaryDataSource(
                 name = room.name() ?: identifier,
                 isDirect = room.isDm() ?: false,
                 avatarURLString = room.fullRoom()?.avatarUrl(),
-                unreadNotificationCount = room.unreadNotifications().notificationCount(),
+                unreadNotificationCount = room.unreadNotifications().notificationCount().toInt(),
                 lastMessage = latestRoomMessage?.body,
                 lastMessageTimestamp = latestRoomMessage?.originServerTs
             )