Fix screenshare and participant button being disabled when unrelated options supplied to call composite (#2181)

Author: JamesBurnside

change/@internal-react-composites-99f16cb9-7b70-491a-9273-38ecac4d365e.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "Fix Participants and ScreenShare buttons being disabled when unrelated options are passed into the call composite",
+  "packageName": "@internal/react-composites",
+  "email": "2684369+JamesBurnside@users.noreply.github.com",
+  "dependentChangeType": "patch"
+}

packages/react-composites/src/composites/CallComposite/pages/LobbyPage.tsx

@@ -66,7 +66,8 @@ export const LobbyPage = (props: LobbyPageProps): JSX.Element => {
 const disableLobbyPageControls = (
   callControlOptions: CallControlOptions | boolean | undefined
 ): CallControlOptions | boolean | undefined => {
-  let newOptions = callControlOptions;
+  // Ensure we clone the prop if it is an object to ensure we do not mutate the original prop.
+  let newOptions = callControlOptions instanceof Object ? { ...callControlOptions } : callControlOptions;
   if (newOptions !== false) {
     if (newOptions === true || newOptions === undefined) {
       newOptions = {