Update logic to display error message on users screen

projects/plugins/jetpack/modules/sso/class.jetpack-sso-user-admin.php

@@ -256,22 +256,27 @@ public function invite_user_to_wpcom() {
 				);
 
 				if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
-					$error_code    = 'invalid-invite-api-error';
-					$error_message = is_wp_error( $response ) ? $response->get_error_message() : wp_remote_retrieve_response_message( $response );
-					$query_params  = array(
+					$error_code   = 'invalid-invite-api-error';
+					$query_params = array(
 						'jetpack-sso-invite-user'  => 'failed',
 						'jetpack-sso-invite-error' => $error_code,
-						'jetpack-sso-invite-api-error-message' => $error_message,
 						'_wpnonce'                 => $nonce,
 					);
 
+					$tracking_event_data = array(
+						'success'    => 'false',
+						'error_code' => $error_code,
+					);
+
+					$body = json_decode( $response['body'] );
+					if ( $body && $body->message ) {
+						$query_params['jetpack-sso-invite-api-error-message'] = $body->message;
+						$tracking_event_data['error_message']                 = $body->message;
+					}
+
 					self::$tracking->record_user_event(
 						$event,
-						array(
-							'success'       => 'false',
-							'error_code'    => $error_code,
-							'error_message' => $error_message,
-						)
+						$tracking_event_data
 					);
 					return self::create_error_notice_and_redirect( $query_params );
 				}