Refactor PeerInfoUI and related modules

submodules/AccountContext/Sources/ContactSelectionController.swift

@@ -4,6 +4,8 @@ import SwiftSignalKit
 
 public protocol ContactSelectionController: ViewController {
     var result: Signal<ContactListPeer?, NoError> { get }
+    var displayProgress: Bool { get set }
+    var dismissed: (() -> Void)? { get set }
     
     func dismissSearch()
 }