refactor: manage member sheet in timeline

better implementation

updated tests

Update ElementX/Sources/Screens/Timeline/TimelineViewModel.swift

Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

fix

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

@@ -20,6 +20,7 @@ struct RoomMemberDetails: Identifiable, Hashable {
     
     enum Role { case administrator, moderator, user }
     let role: Role
+    let powerLevel: Int
     
     func matches(searchQuery: String) -> Bool {
         guard !searchQuery.isEmpty else { return true }
@@ -38,6 +39,7 @@ extension RoomMemberDetails {
         isIgnored = proxy.isIgnored
         isBanned = proxy.membership == .ban
         role = .init(proxy.role)
+        powerLevel = proxy.powerLevel
     }
 }