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

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/room/MatrixRoom.kt

@@ -35,7 +35,6 @@ interface MatrixRoom : Closeable {
     val sessionId: SessionId
     val roomId: RoomId
     val name: String?
-    val bestName: String
     val displayName: String
     val alias: String?
     val alternativeAliases: List<String>

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/room/RustMatrixRoom.kt

@@ -130,11 +130,6 @@ class RustMatrixRoom(
             return roomListItem.name()
         }
 
-    override val bestName: String
-        get() {
-            return name?.takeIf { it.isNotEmpty() } ?: innerRoom.id()
-        }
-
     override val displayName: String
         get() {
             return innerRoom.displayName()

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,