[core] Get FileSource via UpdateParameters in Renderer::Impl

test/api/query.test.cpp

@@ -36,7 +36,7 @@ public:
     StubFileSource fileSource;
     ThreadPool threadPool { 4 };
     float pixelRatio { 1 };
-    HeadlessFrontend frontend { pixelRatio, fileSource, threadPool };
+    HeadlessFrontend frontend { pixelRatio, threadPool };
     Map map { frontend, MapObserver::nullObserver(), frontend.getSize(), pixelRatio, fileSource,
               threadPool, MapOptions().withMapMode(MapMode::Static)};
 };