Wrap long productName on login form

Backport : https://github.com/nextcloud/server/pull/39848

Signed-off-by: fenn-cs <fenn25.fn@gmail.com>
Signed-off-by: nextcloud-command <nextcloud-command@users.noreply.github.com>

core/src/components/login/LoginForm.vue

@@ -238,6 +238,7 @@ export default {
 
 	&__headline {
 		text-align: center;
+		overflow-wrap: anywhere;
 	}
 }
 </style>