actionURI may be null and causes noise in the logs during findMessage

[robotdan]

If we perform any message lookups in the DefaultExceptionHandler we make take a NPE expecting the invocationStore.getCurrent() to return a non null value for the ActionInvocation.

We could be more defensive if there are edge cases where we will not have an action invocation.

2024-11-26 04:06:24.566 AM ERROR org.primeframework.mvc.PrimeMVCRequestHandler - Error encountered
java.lang.NullPointerException: Cannot read field "actionURI" because "actionInvocation" is null
        at org.primeframework.mvc.message.l10n.ResourceBundleMessageProvider.findMessage(ResourceBundleMessageProvider.java:129)
        at org.primeframework.mvc.message.l10n.ResourceBundleMessageProvider.getOptionalMessage(ResourceBundleMessageProvider.java:88)
        at org.primeframework.mvc.message.l10n.ResourceBundleMessageProvider.getMessage(ResourceBundleMessageProvider.java:76)
        at io.fusionauth.app.primeframework.error.ExceptionExceptionHandler.handle(ExceptionExceptionHandler.java:48)
        at io.fusionauth.app.primeframework.error.ExceptionExceptionHandler.handle(ExceptionExceptionHandler.java:22)
        at org.primeframework.mvc.workflow.DefaultExceptionHandler.handle(DefaultExceptionHandler.java:64)
        at org.primeframework.mvc.workflow.DefaultMVCWorkflow.perform(DefaultMVCWorkflow.java:116)
        at org.primeframework.mvc.PrimeMVCRequestHandler.handle(PrimeMVCRequestHandler.java:73)
        at io.fusionauth.http.server.HTTPWorker.run(HTTPWorker.java:50)