Servlet Name might be set incorrectly after an exception

In case an exception happens, the name is not reset properly: https://github.com/apache/sling-org-apache-sling-engine/blob/ad11b3b108764312e6db87aea7de18c3fa00db34/src/main/java/org/apache/sling/engine/impl/request/RequestData.java#L553

requestData.setActiveServletName(callerServlet); must be moved into the finally block