Allow for faster ContentView invalidation

org.nuxeo.ecm.automation.OperationException: Failed to invoke operation Seam.Refresh
Caused by: java.lang.NullPointerException
        at org.apache.catalina.connector.Request.parseParameters(Request.java:2599)
        at org.apache.catalina.connector.Request.getParameterNames(Request.java:1148)
        at org.apache.catalina.connector.Request.getParameterMap(Request.java:1128)
        at org.apache.catalina.connector.RequestFacade.getParameterMap(RequestFacade.java:414)
        at org.jboss.seam.mock.MockExternalContext.getRequestParameterValuesMap(MockExternalContext.java:302)
        at org.jboss.seam.faces.Parameters.getRequestParameters(Parameters.java:61)
        at org.jboss.seam.Component.injectParameters(Component.java:1543)
        at org.jboss.seam.Component.inject(Component.java:1513)
        at org.nuxeo.ecm.platform.ui.web.util.NuxeoBijectionInterceptor.aroundInvoke(NuxeoBijectionInterceptor.java:55)
        at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
        at org.nuxeo.ecm.platform.ui.web.util.NuxeoExceptionInterceptor.aroundInvoke(NuxeoExceptionInterceptor.java:80)
        at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
        at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44)
        at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
        at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)
        at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:166)
        at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:102)
        at org.nuxeo.ecm.platform.contentview.seam.ContentViewActions_$$_javassist_24.resetAllContent(ContentViewActions_$$_javassist_24.java)
        at org.nuxeo.ecm.automation.jsf.operations.RefreshUI.run(RefreshUI.java:50)