Add missing device id to settings screen (#2320)

* Add missing device id to settings screen

* Extract footer component

* Restore `@PreviewWithLargeHeight` logic

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Co-authored-by: ElementBot <benoitm+elementbot@element.io>

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

@@ -102,6 +102,7 @@ class RustMatrixClient(
     private val clock: SystemClock,
 ) : MatrixClient {
     override val sessionId: UserId = UserId(client.userId())
+    override val deviceId: String = client.deviceId()
     override val sessionCoroutineScope = appCoroutineScope.childScope(dispatchers.main, "Session-$sessionId")
 
     private val innerRoomListService = syncService.roomListService()