Security and privacy part 2 (#3637)

* handling the history visibility flag

* better logic to handle visibility

* better handling of the visibility options state

* added some copies, and the public room directory

visibility state

* completed the UI

added also the preview tests

* improved the handling of the directory visibility

* added the space users case

and improved handling of the access -> vsibility reaction. Also added a simple error handling for the public directory toggle

* added the edit room address view

but is missing its full implementation

* implement the UI for the edit room address screen

* implemented error checking

when editing the address

* updated preview tests and improved code

* typo fix

* Fix various issues after rebasing.

* Fix build errors and broken snapshot tests

* Adopt latest room privacy and canonical alias setting APIs

* Add support for creating and editing the room's alias.

* Add support for saving room privacy setting changes.

* Fix room alias screen snapshot tests following recent changes.

---------

Co-authored-by: Stefan Ceriu <stefanc@matrix.org>

UnitTests/Sources/EditRoomAddressScreenViewModelTests.swift

@@ -0,0 +1,21 @@
+//
+// Copyright 2022-2024 New Vector Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only
+// Please see LICENSE in the repository root for full details.
+//
+
+import XCTest
+
+@testable import ElementX
+
+@MainActor
+class EditRoomAddressScreenViewModelTests: XCTestCase {
+    var viewModel: EditRoomAddressScreenViewModelProtocol!
+    
+    var context: EditRoomAddressScreenViewModelType.Context {
+        viewModel.context
+    }
+    
+    override func setUpWithError() throws { }
+}