fix networking being required during site.yml ansible-init,openondemand_desktop,openondemand_jupyter - only reqd during build

Author: sjpb

ansible/bootstrap.yml

@@ -311,7 +311,6 @@
 - hosts: ansible_init
   gather_facts: yes
   become: yes
-  environment: "{{ appliances_environment_vars }}"
   tags: linux_ansible_init
   tasks:
     - name: Install ansible-init

ansible/portal.yml

@@ -21,6 +21,7 @@
     - import_role:
         name: openondemand
         tasks_from: vnc_compute.yml
+      when: "{{ appliances_mode != 'configure' }}" # is run during build
 
 - hosts: openondemand_jupyter
   tags:
@@ -33,3 +34,4 @@
     - import_role:
         name: openondemand
         tasks_from: jupyter_compute.yml
+      when: "{{ appliances_mode != 'configure' }}" # is run during build