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.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -1,5 +1,5 @@
 {
-  "originHash" : "f9011692b20e61e6f0df94b6e0946a4c8f4d58429a88998f249712bb1fee47f1",
+  "originHash" : "cb4b4c28930e04929217c9570b7f82a1dc8e3dc51e3f956f11584dbae9bac079",
   "pins" : [
     {
       "identity" : "compound-design-tokens",
@@ -54,6 +54,15 @@
         "version" : "1.7.18"
       }
     },
+    {
+      "identity" : "element-call-swift",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/element-hq/element-call-swift",
+      "state" : {
+        "revision" : "101bdac7a5f9c53f702065bac7772e9dedb26c62",
+        "version" : "0.9.0-rc.3"
+      }
+    },
     {
       "identity" : "emojibase-bindings",
       "kind" : "remoteSourceControl",