Embed element call (#3939)

* it works but only with the baseURL for now

* works but strings are not referenced properly

and we are using a dummy config.json which maybe is not required at all?

* test with EmbeddedElementCall repo

* updated the version

* ignore our own package

* updated version

removed using EC through the well known URL

* fix for remote URL overriding

* updated version

* fix for microphone and camera using local URL

* better solution

* Use version 0.9.0-release-test.3

* fix project

* removed workaround for emebedded EC url generation

* updated EC

* pr suggestions

* fix

* removed unnecessary configuration flag

---------

Co-authored-by: Hugh Nimmo-Smith <hughns@element.io>

ElementX/Sources/Application/AppSettings.swift

@@ -5,6 +5,10 @@
 // Please see LICENSE files in the repository root for full details.
 //
 
+#if canImport(EmbeddedElementCall)
+import EmbeddedElementCall
+#endif
+
 import Foundation
 import SwiftUI
 
@@ -267,7 +271,8 @@ final class AppSettings {
 
     // MARK: - Element Call
     
-    let elementCallBaseURL: URL = "https://call.element.io/room"
+    // swiftlint:disable:next force_unwrapping
+    let elementCallBaseURL: URL = EmbeddedElementCall.appURL!
     
     // These are publicly availble on https://call.element.io so we don't neeed to treat them as secrets
     let elementCallPosthogAPIHost = "https://posthog-element-call.element.io"