CEC-4772 - carsconnected takes VINs in req body (#397)

src/services/__mocks__/vehiclesAPI.js

@@ -116,7 +116,7 @@ const vehiclesAPI = {
   getConnections: async (vins) => {
     const result = {};
 
-    vins.forEach((vin) => {
+    vins.VINs.forEach((vin) => {
       result[vin] = true;
       result["2:" + vin] = false;
     });

src/services/vehiclesAPI.js

@@ -41,13 +41,14 @@ const vehiclesAPI = {
       .catch(errorHandler),
 
   getConnections: async (vins, token) => {
-    const u = `${API_ENDPOINT}/carsconnected?vins=${vins.join(",")}`;
+    const u = `${API_ENDPOINT}/carsconnected`;
     return fetch(u, {
-      method: "GET",
+      method: "POST",
       headers: Object.assign(
         { "Content-Type": "application/json" },
         getAuthHeaderOptions(token)
       ),
+      body: JSON.stringify(vins),
     })
       .then(fetchRespHandler)
       .catch(errorHandler);