Semi bsr for applications[] to prevent heavy to debug bugs in j2 - part 1

roles/web-app-moodle/templates/Dockerfile.j2

@@ -1,10 +1,10 @@
-FROM bitnami/moodle:{{ applications[application_id].version }}
+FROM bitnami/moodle:{{ applications | get_app_conf(application_id, 'version', True) }}
 
 {% if applications | is_feature_enabled('oidc', application_id) %}
 RUN install_packages unzip curl jq \
  && VERSION=$(curl -s https://api.github.com/repos/microsoft/moodle-auth_oidc/tags \
       | jq -r '.[].name' \
-      | grep v{{ applications[application_id].version }} \
+      | grep v{{ applications | get_app_conf(application_id, 'version', True) }} \
       | sort -Vr \
       | head -n1) \
  && echo "Using version $VERSION" \