Delegate the sending of call notifications to Element Call (#4370)

* Stop sending call notifications manually

The Element Call widget can now assume responsibility for sending them when you start a call.

* Bump Element Call embedded package to v0.14.0

* Delegate the sending of call notifications to Element Call

* Update the SDK.

* Use 'is' prefix for boolean

---------

Co-authored-by: Doug <douglase@element.io>

project.yml

@@ -68,7 +68,7 @@ packages:
   # Element/Matrix dependencies
   MatrixRustSDK:
     url: https://github.com/element-hq/matrix-rust-components-swift
-    exactVersion: 25.07.29
+    exactVersion: 25.08.01
     # path: ../matrix-rust-sdk
   Compound:
     url: https://github.com/element-hq/compound-ios
@@ -80,7 +80,7 @@ packages:
     # path: ../matrix-analytics-events
   EmbeddedElementCall:
     url: https://github.com/element-hq/element-call-swift
-    exactVersion: 0.13.1
+    exactVersion: 0.14.0
   Emojibase:
     url: https://github.com/matrix-org/emojibase-bindings
     minorVersion: 1.4.2