[tableview] fix action menu layout (closes #2099011)
* on the left instead of the right of the table
* remove the arrow and the bullets
#! /bin/sh -e#if [ "$1" = configure ]; then if which install-docs >/dev/null 2>&1; then install-docs -i /usr/share/doc-base/cubicweb-doc fifi#DEBHELPER#exit 0