[patch] Add support for MAS_FACILITIES_SERVER_TIMEZONE property for the facilities appplication

[AntonioPerrone]

Add support for MAS_FACILITIES_SERVER_TIMEZONE property for the facilities application.
It has being tested by using the following cli command:

 mas install --dev-mode \
  --mas-catalog-version v9-facilities-dev-amd64 \
  --ibm-entitlement-key $IBM_ENTITLEMENT_KEY \
  --mas-channel 9.2.x-dev \
  --mas-instance-id dottor \
  --mas-workspace-id enigma \
  --mas-workspace-name "enigma" \
  --additional-configs "/mnt/home/config" \
  --non-prod \
  --disable-walkme \
  --storage-class-rwo "nfs-client" \
  --storage-class-rwx "nfs-client" \
  --storage-pipeline "nfs-client" \
  --storage-accessmode "ReadWriteMany" \
  --uds-email "no.one@no.where.com" \
  --uds-firstname "no" \
  --uds-lastname "one" \
  --dro-namespace "redhat-marketplace" \
  --db2-manage \
  --db2-facilities \
  --db2-timezone Europe/Rome \
  --manage-channel "9.2.x-dev" \
  --manage-jdbc "workspace-application" \
  --manage-components "" \
  --manage-server-timezone Europe/Rome \
  --facilities-channel "9.2.x-dev" \
  --facilities-size "small" \
  --facilities-routes-timeout "600s" \
  --facilities-maxconnpoolsize "200" \
  --facilities-log-storage-class "nfs-client" \
  --facilities-userfiles-storage-class "nfs-client" \
  --facilities-server-timezone Europe/Rome \
  --artifactory-username $ARTIFACTORY_USERNAME \
  --artifactory-token $ARTIFACTORY_TOKEN \
  --accept-license \
  --no-confirm \
  --skip-pre-check \
  --skip-grafana-install \
  --license-file /mnt/home/config/enigmamas.lic \
  --admin-mode cluster 

The value of --facilities-server-timezone correctly flow through the pipeline and
all containers and initContainers belonging to operand pods managed by the FacilitiesWorkspace operator have been configured with environment variable TZ set to the value of the --facilities-server-timezone cli parameter