Room: remove bestName and use displayName instead of name where it makes sense

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/room/FakeMatrixRoom.kt

@@ -43,7 +43,6 @@ class FakeMatrixRoom(
     override val sessionId: SessionId = A_SESSION_ID,
     override val roomId: RoomId = A_ROOM_ID,
     override val name: String? = null,
-    override val bestName: String = "",
     override val displayName: String = "",
     override val topic: String? = null,
     override val avatarUrl: String? = null,