fix(user_status): Allow setting custom message with icon only

Signed-off-by: provokateurin <kate@provokateurin.de>

apps/user_status/lib/Controller/UserStatusController.php

@@ -149,7 +149,7 @@ class UserStatusController extends OCSController {
 		?string $message,
 		?int $clearAt): DataResponse {
 		try {
-			if (($message !== null && $message !== '') || ($clearAt !== null && $clearAt !== 0)) {
+			if (($statusIcon !== null && $statusIcon !== '') || ($message !== null && $message !== '') || ($clearAt !== null && $clearAt !== 0)) {
 				$status = $this->service->setCustomMessage($this->userId, $statusIcon, $message, $clearAt);
 			} else {
 				$this->service->clearMessage($this->userId);

apps/user_status/tests/Unit/Controller/UserStatusControllerTest.php

@@ -330,7 +330,7 @@ class UserStatusControllerTest extends TestCase {
 		return [
 			['👨🏽‍💻', 'Busy developing the status feature', 500, true, false, null, false, null],
 			['👨🏽‍💻', '', 500, true, false, null, false, null, false],
-			['👨🏽‍💻', '', 0, true, false, null, false, null, true],
+			['👨🏽‍💻', '', 0, true, false, null, false, null, false],
 			['👨🏽‍💻', 'Busy developing the status feature', 500, false, true, new InvalidClearAtException('Original exception message'), true,
 				'New user-status for "john.doe" was rejected due to an invalid clearAt value "500"'],
 			['👨🏽‍💻', 'Busy developing the status feature', 500, false, true, new InvalidStatusIconException('Original exception message'), true,