Stop delaying subscriptions until after startup (#3294)

- reverts b43797f4bf
- relies on https://github.com/matrix-org/matrix-rust-sdk/pull/3981

ElementX/Sources/Services/Room/RoomSummary/RoomSummaryProvider.swift

@@ -11,7 +11,6 @@ import MatrixRustSDK
 
 class RoomSummaryProvider: RoomSummaryProviderProtocol {
     private let roomListService: RoomListServiceProtocol
-    private let roomListServiceStatePublisher: CurrentValuePublisher<RoomListServiceState, Never>
     private let eventStringBuilder: RoomEventStringBuilder
     private let name: String
     private let shouldUpdateVisibleRange: Bool
@@ -57,14 +56,12 @@ class RoomSummaryProvider: RoomSummaryProviderProtocol {
     ///   to the room list service through the `applyInput(input: .viewport(ranges` api. Only useful for
     ///   lists that need to update the visible range on Sliding Sync
     init(roomListService: RoomListServiceProtocol,
-         roomListServiceStatePublisher: CurrentValuePublisher<RoomListServiceState, Never>,
          eventStringBuilder: RoomEventStringBuilder,
          name: String,
          shouldUpdateVisibleRange: Bool = false,
          notificationSettings: NotificationSettingsProxyProtocol,
          appSettings: AppSettings) {
         self.roomListService = roomListService
-        self.roomListServiceStatePublisher = roomListServiceStatePublisher
         serialDispatchQueue = DispatchQueue(label: "io.element.elementx.roomsummaryprovider", qos: .default)
         self.eventStringBuilder = eventStringBuilder
         self.name = name
@@ -77,16 +74,7 @@ class RoomSummaryProvider: RoomSummaryProviderProtocol {
             .sink { [weak self] in self?.updateRoomsWithDiffs($0) }
             .store(in: &cancellables)
         
-        roomListServiceStateCancellable = roomListServiceStatePublisher
-            .receive(on: DispatchQueue.main)
-            .sink { [weak self] state in
-                guard let self else { return }
-                
-                if state == .running {
-                    setupVisibleRangeObservers()
-                    roomListServiceStateCancellable = nil
-                }
-            }
+        setupVisibleRangeObservers()
         
         setupNotificationSettingsSubscription()
     }