Support for posthog super properties (#2774)

* Support for posthog super properties

* Use typed SuperProperties and add tests

* update superProperty in AppCoordinator

ElementX/Sources/Mocks/PHGPostHogMock.swift

@@ -0,0 +1,38 @@
+//
+// Copyright 2024 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+import PostHog
+
+extension PHGPostHogMock {
+    func configureMockBehavior() {
+        enableClosure = {
+            self.enabled = true
+        }
+    }
+}
+
+class MockPostHogFactory: PostHogFactory {
+    var mock: PHGPostHogProtocol!
+    
+    init(mock: PHGPostHogProtocol!) {
+        self.mock = mock
+    }
+    
+    func createPostHog(config: PHGPostHogConfiguration) -> ElementX.PHGPostHogProtocol {
+        mock
+    }
+}