Add RoomDetails for use (with RoomMemberDetails) in AvatarHeaderView. (#2490)

* Add RoomDetails and refactor AvatarHeaderView to use it.
* Remove old displayName property and use RoomDetails in the RoomDetailsScreenViewState

ElementX/Sources/Services/Room/RoomMember/RoomMemberDetails.swift

@@ -0,0 +1,65 @@
+//
+// Copyright 2023 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 MatrixRustSDK
+
+struct RoomMemberDetails: Identifiable, Equatable {
+    let id: String
+    let name: String?
+    let avatarURL: URL?
+    let permalink: URL?
+    let isAccountOwner: Bool
+    var isIgnored: Bool
+    var isBanned: Bool
+    
+    enum Role { case administrator, moderator, user }
+    let role: Role
+}
+
+extension RoomMemberDetails {
+    init(withProxy proxy: RoomMemberProxyProtocol) {
+        id = proxy.userID
+        name = proxy.displayName
+        avatarURL = proxy.avatarURL
+        permalink = proxy.permalink
+        isAccountOwner = proxy.isAccountOwner
+        isIgnored = proxy.isIgnored
+        isBanned = proxy.membership == .ban
+        role = .init(proxy.role)
+    }
+    
+    init(loading id: String) {
+        self.id = id
+        name = nil
+        avatarURL = nil
+        permalink = nil
+        isAccountOwner = false
+        isIgnored = false
+        isBanned = false
+        role = .user
+    }
+}
+
+extension RoomMemberDetails.Role {
+    init(_ role: RoomMemberRole) {
+        self = switch role {
+        case .administrator: .administrator
+        case .moderator: .moderator
+        case .user: .user
+        }
+    }
+}