ONELAB2: fix sendAllParameters


git-svn-id: https://geuz.org/svn/gmsh/trunk@20194 59c8cabf-10d6-4a28-b43f-3936b85956c4
ONELAB2: use OnelabDatabase as _onelabClient in GmshMessage


git-svn-id: https://geuz.org/svn/gmsh/trunk@20195 59c8cabf-10d6-4a28-b43f-3936b85956c4