[Room member list] Display room member list (#276)

* Implement room member list

* Move timeline initialization back to `TimelinePresenter`.

* Fix crash when the `innerRoom` inside a `RustMatrixRoom` is destroyed but `syncUpdateFlow` is still running.

* Address review comments

features/selectusers/api/build.gradle.kts

@@ -1,31 +0,0 @@
-/*
- * Copyright (c) 2023 New Vector Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-plugins {
-    id("io.element.android-compose-library")
-}
-
-android {
-    namespace = "io.element.android.features.selectusers.api"
-}
-
-dependencies {
-    implementation(projects.libraries.architecture)
-    implementation(projects.libraries.designsystem)
-    implementation(projects.libraries.uiStrings)
-    implementation(projects.libraries.matrix.api)
-    implementation(projects.libraries.matrixui)
-}