This wrapper is to be used when you want to avoid the error
messages displayed when accessing a file (the messages activated
by ucphelper::cancelCommandExecution), especially when accessing a
Web/DAV connection to enable https certificate validation and
optionally enabling the authentication dialog that may be needed
in these operations.

Change-Id: I19f3072b91b6c4f453a54b56a3d9883b3383dfa5
Reviewed-on: https://gerrit.libreoffice.org/24274Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>