getBalances: Include credentials after redirects

We "trust" this endpoint to redirect to the right place, so we need
this because CORS policy is not correct, it seems.

Signed-off-by: Kristofer Rye <[email protected]>

Author: rye

source/lib/financials/balances.js

@@ -21,6 +21,7 @@ export async function getBalances(): Promise<BalancesOrErrorType> {
 		let loginResponse = await fetch(OLECARD_AUTH_URL, {
 			method: 'POST',
 			body: form,
+			credentials: 'include',
 		})
 
 		if (loginResponse.url.includes('message=')) {