Fix SS update observer and implicitly session verification not being requested

ElementX/Sources/Services/Client/ClientProxy.swift

@@ -19,7 +19,7 @@ import Foundation
 import MatrixRustSDK
 import UIKit
 
-private class WeakClientProxyWrapper: ClientDelegate {
+private class WeakClientProxyWrapper: ClientDelegate, SlidingSyncObserver {
     private weak var clientProxy: ClientProxy?
     
     init(clientProxy: ClientProxy) {
@@ -39,6 +39,13 @@ private class WeakClientProxyWrapper: ClientDelegate {
         MXLog.info("Did update restoration token")
         clientProxy?.didUpdateRestoreToken()
     }
+    
+    // MARK: - SlidingSyncDelegate
+    
+    func didReceiveSyncUpdate(summary: UpdateSummary) {
+        MXLog.info("Received sliding sync update")
+        clientProxy?.didReceiveSlidingSyncUpdate(summary: summary)
+    }
 }
 
 class ClientProxy: ClientProxyProtocol {
@@ -267,6 +274,8 @@ class ClientProxy: ClientProxyProtocol {
                 .coldCache(name: "ElementX")
                 .build()
             
+            slidingSync.setObserver(observer: WeakClientProxyWrapper(clientProxy: self))
+            
             self.slidingSync = slidingSync
             
             buildAndConfigureVisibleRoomsSlidingSyncView(slidingSync: slidingSync, visibleRoomsView: visibleRoomsView)
@@ -370,6 +379,10 @@ class ClientProxy: ClientProxyProtocol {
         callbacks.send(.updatedRestoreToken)
     }
     
+    fileprivate func didReceiveSlidingSyncUpdate(summary: UpdateSummary) {
+        callbacks.send(.receivedSyncUpdate)
+    }
+    
     /// Convenience method to get the json string of an Encodable
     private func jsonString(from dictionary: [AnyHashable: Any]?) -> String? {
         guard let dictionary,