Set the user language when adding the footer

Signed-off-by: Julius Härtl <jus@bitgrid.net>

Author: juliusknorr

apps/settings/tests/Mailer/NewUserMailHelperTest.php

@@ -139,7 +139,7 @@ public function testGenerateTemplateWithPasswordResetToken() {
 		$this->timeFactory
 			->expects($this->once())
 			->method('getTime')
-			->willReturn('12345');
+			->willReturn(12345);
 		/** @var IUser|\PHPUnit\Framework\MockObject\MockObject $user */
 		$user = $this->createMock(IUser::class);
 		$user
@@ -371,6 +371,7 @@ public function testGenerateTemplateWithPasswordResetToken() {
 
 Your username is: john
 
+
 Set your password: https://example.com/resetPassword/MySuperLongSecureRandomToken
 Install Client: https://nextcloud.com/install/#install-clients