Live Location Sharing - handle server echoes (#5514)

* Track active live location sessions by ID instead of timeout.

# Conflicts:
#	ElementX/Sources/Services/Location/LiveLocationManager.swift

* implemented a system to promote starting session to active sesessions to send locations at the right time, and a system to remove a local session if it's handled by an external device.

* pr suggestions

---------

Co-authored-by: Doug <douglase@element.io>

ElementX/Sources/Screens/RoomScreen/RoomScreenViewModel.swift

@@ -171,11 +171,11 @@ class RoomScreenViewModel: RoomScreenViewModelType, RoomScreenViewModelProtocol
             .weakAssign(to: \.state.isKnockingEnabled, on: self)
             .store(in: &cancellables)
         
-        appSettings.$liveLocationSharingTimeoutDatesByRoomID
+        appSettings.$liveLocationSharingSessionsByRoomID
             .receive(on: DispatchQueue.main)
-            .sink { [weak self] timeoutDatesByRoomID in
+            .sink { [weak self] sessionsByRoomID in
                 guard let self else { return }
-                state.isSharingLiveLocation = timeoutDatesByRoomID.keys.contains(roomProxy.id)
+                state.isSharingLiveLocation = sessionsByRoomID.keys.contains(roomProxy.id)
             }
             .store(in: &cancellables)