UI/UX: hide 'No Network' view by default

The 'No Network' view should be hidden when the app starts
and should appear only if there is no network connection.

Change-Id: I23c9fb06d8b1514a71c69a0bc9f1ad56eb830961

Ring/Ring/Features/Conversations/SmartList/SwiftUI/Models/ConversationsViewModel.swift

@@ -71,7 +71,7 @@ class ConversationsViewModel: ObservableObject {
     }
     @Published var publicDirectoryTitle = L10n.Smartlist.results
     @Published var searchingLabel = ""
-    @Published var connectionState: ConnectionType = .none
+    @Published var connectionState: ConnectionType = .connected
     @Published var searchQuery: String = ""
     @Published var conversationCreated: String = ""
     @Published var searchStatus: SearchStatus = .notSearching