feat: Add customization support for more UI components (#4634)

Co-authored-by: ashikcn <ashik@L1140.trenser.com>
Co-authored-by: Devu Jayalekshmi <devu.jayalekshmi@trenser.com>
Co-authored-by: Arul Mozhi <arul.mozhi@trenser.com>

extensions/default/src/customizations/labellingFlowCustomization.tsx

@@ -0,0 +1,5 @@
+import { LabellingFlow } from '@ohif/ui';
+
+export default {
+  'ui.labellingComponent': LabellingFlow,
+};