WordCamp Budgets Dashboard: Restore current blog before returning early.

See #3190
Props SergeyBiryukov

git-svn-id: http://meta.svn.wordpress.org/sites/trunk/wordcamp.org@6052 74240141-8908-4e6f-9713-ba540dce6ec7

public_html/wp-content/plugins/wordcamp-payments-network/includes/sponsor-invoices-dashboard.php

@@ -349,6 +349,7 @@ function notify_organizer_status_changed( $site_id, $invoice_id, $new_status ) {
 	} elseif ( 'paid' === $new_status ) {
 		$status_message = "has been paid by $sponsor_name. Go ahead and publish them to your website!";
 	} else {
+		restore_current_blog();
 		return;
 	}