refactor: separate transit sources and request service

src/app/constructCatalog.js

@@ -112,7 +112,7 @@ export function createApplicationCatalog({
         createApplicationRadio({ surface, source: sources.radio }),
         createApplicationBikeshare({ source: sources.bikeshare }),
         createApplicationDirections(),
-        createApplicationTransit({ surface }),
+        createApplicationTransit({ surface, source: sources.transit }),
         vessels,
         installations,
         createApplicationAwareness({

src/app/layers/transit.js

@@ -22,11 +22,12 @@ import {
  * @param {{surface: object}} options
  * @returns {object}
  */
-export function createApplicationTransit({ surface }) {
+export function createApplicationTransit({ surface, source }) {
   if (!surface?.groundFloor || !surface?.meshFloor)
     throw new TypeError('Transit needs the application surface services');
   const { groundFloor, meshFloor } = surface;
   return createTransitLayer({
+    source,
     services: {
       render,
       sprites,