Set WORKBENCH_INSTALL_PATH when remounting after container restart (#231)

* remount-on-restart assumes WORKBENCH_INSTALL_PATH is set which is not always true

* Remove export

Author: pantherman594

startupscript/remount-on-restart.sh

@@ -14,6 +14,8 @@ if [[ $# -ne 4 ]]; then
   exit 1
 fi
 
+readonly WORKBENCH_INSTALL_PATH="${WORKBENCH_INSTALL_PATH:-/usr/bin/wb}"
+
 readonly USER_NAME="${1}"
 readonly WORK_DIRECTORY="${2}"
 readonly CLOUD="${3}"