[minor] Simplify handling of ISV groups variable for gitops (#1377)

.secrets.baseline

@@ -394,7 +394,7 @@
         "hashed_secret": "fee2d55ad9a49a95fc89abe8f414dad66704ebfd",
         "is_secret": false,
         "is_verified": false,
-        "line_number": 21,
+        "line_number": 22,
         "type": "Secret Keyword",
         "verified_result": null
       }

image/cli/mascli/templates/gitops/appset-configs/cluster/group-sync-operator.yaml.j2

@@ -1,19 +1,20 @@
 merge-key: "{{ ACCOUNT_ID }}/{{ CLUSTER_ID }}"
 
 {#- Parses the ISV groups from a string representation of a list of maps #}
-{#- Example: isv_groups: "name:'a1',id:'a2'; name:'a3',id:'a4'" #}
+{#- Example: "- name: 'admin'\n  id: 645001Z1WP\n- name: 'developer'\n  id: 645001Z1WR\n" #}
 {%- set group_namespace = namespace(isv_groups = []) %}
-{%- set group_strs = GROUP_SYNC_OPERATOR_ISV_GROUPS.split(';') %}
+{%- set group_strs = GROUP_SYNC_OPERATOR_ISV_GROUPS.split('-') %}
+{%- set _ = group_strs.remove('') %}
 {%- for group_str in group_strs %}
   {%- set group_loop = loop %}
   {%- set _ = group_namespace.isv_groups.append(dict()) %}
-  {%- set pairs = group_str.split(',') %}
+  {%- set pairs = group_str.strip('\n').split('\n') %}
   {%- for pair in pairs %}
     {%- set items = pair.split(':') %}
     {%- set _ = group_namespace.isv_groups[group_loop.index - 1].__setitem__(items[0].strip().strip("'"), items[1].strip().strip("'")) %}
   {%- endfor %}
 {%- endfor %}
-   
+
 group_sync_operator:
   cron_schedule: "{{ GROUP_SYNC_OPERATOR_CRON_SCHEDULE }}"
   isv_tenant_url: "{{ GROUP_SYNC_OPERATOR_ISV_TENANT_URL }}"