RoomScreenViewModel is now TimelineViewModel (#3157)

Co-authored-by: Stefan Ceriu <stefanc@matrix.org>

ElementX/Sources/Screens/Timeline/View/TimelineSenderAvatarView.swift

@@ -0,0 +1,35 @@
+//
+// 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 SwiftUI
+
+struct TimelineSenderAvatarView: View {
+    @EnvironmentObject private var context: TimelineViewModel.Context
+
+    let timelineItem: EventBasedTimelineItemProtocol
+        
+    var body: some View {
+        LoadableAvatarImage(url: timelineItem.sender.avatarURL,
+                            name: timelineItem.sender.displayName,
+                            contentID: timelineItem.sender.id,
+                            avatarSize: .user(on: .timeline),
+                            imageProvider: context.imageProvider)
+            .overlay {
+                Circle().stroke(Color.compound.bgCanvasDefault, lineWidth: 3)
+            }
+    }
+}