Rename UserProfileProxy to UserProfile. It's a pure struct and proxies nothing.

Also remove the redundant `userID` property given `id` already exists (for Identifiable conformance).

ElementX/Sources/Other/SwiftUI/Views/JoinedMembersBadgeView.swift

@@ -10,7 +10,7 @@ import Compound
 import SwiftUI
 
 struct JoinedMembersBadgeView: View {
-    let heroes: [UserProfileProxy]
+    let heroes: [UserProfile]
     var shouldHideAvatars = false
     let joinedCount: Int
     
@@ -46,7 +46,7 @@ struct JoinedMembersBadgeView: View {
             ForEach(heroes.prefix(3).reversed()) { hero in
                 LoadableAvatarImage(url: shouldHideAvatars ? nil : hero.avatarURL,
                                     name: hero.displayName,
-                                    contentID: hero.userID,
+                                    contentID: hero.id,
                                     avatarSize: .user(on: .spaceHeader),
                                     mediaProvider: mediaProvider)
                     .mask {