use body instead of url for code exchange post #463

Job	Run time
install	1m 38s
install	1m 38s
install	1m 38s
jest	1m 3s
jest	1m 3s
jest	1m 3s
cypress-run (Incidents/incidents.spec.js)	13m 22s
cypress-run (Incidents/incidents.spec.js)	13m 22s
cypress-run (Incidents/incidents.spec.js)	13m 22s
cypress-run (Query/query.spec.js)	15m 26s
cypress-run (Query/query.spec.js)	15m 26s
cypress-run (Query/query.spec.js)	7m 20s
cypress-run (Search/search.spec.js)	7m 23s
cypress-run (Search/search.spec.js)	7m 23s
cypress-run (Search/search.spec.js)	7m 23s
cypress-run (Settings/settings.spec.js)	22m 24s
cypress-run (Settings/settings.spec.js)	14m 39s
cypress-run (Settings/settings.spec.js)	14m 39s
cypress-run (app.spec.js)	6m 2s
cypress-run (app.spec.js)	6m 2s
cypress-run (app.spec.js)	6m 2s
	2h 58m 18s

Provide feedback