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/Services/Client/ElementWellKnown.swift

@@ -9,20 +9,9 @@ import Foundation
 import MatrixRustSDK
 
 struct ElementWellKnown {
-    struct Call {
-        let widgetURL: URL
-        
-        init?(_ wellKnown: MatrixRustSDK.ElementCallWellKnown) {
-            guard let widgetURL = URL(string: wellKnown.widgetUrl) else { return nil }
-            self.widgetURL = widgetURL
-        }
-    }
-    
-    let call: Call?
     let registrationHelperURL: URL?
     
     init?(_ wellKnown: MatrixRustSDK.ElementWellKnown) {
-        call = wellKnown.call.flatMap(Call.init)
         registrationHelperURL = wellKnown.registrationHelperUrl.flatMap(URL.init)
     }
 }