feat(medusa, medusa-js, medusa-react): Implement Sales Channel retrieval (#1793)

packages/medusa-react/mocks/data/fixtures.json

@@ -1261,6 +1261,15 @@
     },
     "upload": {
       "url": "test-url"
+    },
+    "sales_channel": {
+      "id": "sc_01F0YES4R67TXXC1QBQ8P54A8Y",
+      "name": "sales channel 1 name",
+      "description": "sales channel 1 description",
+      "is_disabled": false,
+      "updated_at": "2022-07-05T15:16:01.959Z",
+      "created_at": "2022-07-05T15:16:01.959Z",
+      "deleted_at": null
     }
   }
 }

packages/medusa-react/mocks/handlers/admin.ts

@@ -1672,4 +1672,13 @@ export const adminHandlers = [
       })
     )
   }),
+
+  rest.get("/admin/sales-channels/:id", (req, res, ctx) => {
+    return res(
+      ctx.status(200),
+      ctx.json({
+        sales_channel: fixtures.get("sales_channel"),
+      })
+    )
+  }),
 ]