Prepare LiveLocationSharingViewerService and handle mock.

RiotSwiftUI/Modules/Room/LiveLocationSharingViewer/Service/UserLiveLocation.swift

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+// 
+// Copyright 2022 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.
+//
+
+import Foundation
+import CoreLocation
+
+/// Represents user live location
+struct UserLiveLocation {
+    
+    var userId: String {
+        return avatarData.matrixItemId
+    }
+    
+    var displayName: String {
+        return avatarData.displayName ?? self.userId
+    }
+    
+    let avatarData: AvatarInputProtocol
+    
+    /// Location sharing start date
+    let timestamp: TimeInterval
+    
+    /// Sharing duration from the start sharing date
+    let timeout: TimeInterval
+
+    /// Last coordinatore update date
+    let lastUpdate: TimeInterval
+    
+    let coordinate: CLLocationCoordinate2D
+}