Fix tdf#90700 Notify connect timeout early.

Throws exception to manage timeout early in the first connection
sequence.

Change-Id: Ibf87f9d7607c808692509c694127266b6f542014
Reviewed-on: https://gerrit.libreoffice.org/20196Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

ucb/source/ucp/webdav-neon/webdavcontent.cxx

@@ -3488,6 +3488,14 @@ Content::ResourceType Content::getResourceType(
                 *networkAccessAllowed = *networkAccessAllowed
                     && shouldAccessNetworkAfterException(e);
             }
+            // if the two net events below happen, something
+            // is going on to the connection so break the command flow
+            if ( ( e.getError() == DAVException::DAV_HTTP_TIMEOUT ) ||
+                 ( e.getError() == DAVException::DAV_HTTP_CONNECT ) )
+            {
+                cancelCommandExecution( e, xEnv );
+                // unreachable
+            }
         }
     }