[PM-18664] Prevent display of Auth Request notification on triggering device (#13597)

* Send device identifier in header.

* Added null to apiUrl property for strict typing.

* Added null to apiUrl for strict typing.

libs/common/src/abstractions/api.service.ts

@@ -142,7 +142,7 @@ export abstract class ApiService {
     body: any,
     authed: boolean,
     hasResponse: boolean,
-    apiUrl?: string,
+    apiUrl?: string | null,
     alterHeaders?: (headers: Headers) => void,
   ) => Promise<any>;