Join room by address (#3840)

* Implemented join room by address

* improved the text field typing

* some improvements to how the text is edited

* remove navigation link

* moved room directory search to the start chat flow

* updated preview tests

* added unit tests and improved the code

* updated strings

* some pr suggestions:

- moving the file
- changing the name of the action
- reintroduce the debounce text queries
- add comments

* renamed the auth text field style to Element

updated tests

ElementX/Sources/Generated/Strings.swift

@@ -2460,6 +2460,8 @@ internal enum L10n {
   internal static var screenSignoutSaveRecoveryKeyTitle: String { return L10n.tr("Localizable", "screen_signout_save_recovery_key_title") }
   /// An error occurred when trying to start a chat
   internal static var screenStartChatErrorStartingChat: String { return L10n.tr("Localizable", "screen_start_chat_error_starting_chat") }
+  /// Join room by address
+  internal static var screenStartChatJoinRoomByAddressAction: String { return L10n.tr("Localizable", "screen_start_chat_join_room_by_address_action") }
   /// Not a valid address
   internal static var screenStartChatJoinRoomByAddressInvalidAddress: String { return L10n.tr("Localizable", "screen_start_chat_join_room_by_address_invalid_address") }
   /// Enter...
@@ -2874,13 +2876,6 @@ internal enum L10n {
     /// You
     internal static var you: String { return L10n.tr("Localizable", "common.you") }
   }
-
-  internal enum Screen {
-    internal enum StartChat {
-      /// Join room by address
-      internal static var joinRoomByAddressAction: String { return L10n.tr("Localizable", "screen.start_chat.join_room_by_address_action") }
-    }
-  }
 }
 // swiftlint:enable explicit_type_interface function_parameter_count identifier_name line_length
 // swiftlint:enable nesting type_body_length type_name vertical_whitespace_opening_braces