fix(lint): add editable O2M exceptions for registry and program fields

Add group_membership_ids, individual_membership_ids, reg_ids,
related_1_ids, related_2_ids, and beneficiary_ids to the
allow_editable_o2m list so the ui.large_o2m_editable lint rule
does not flag them in future runs.

Author: emjay0921

.openspp-lint.yaml

@@ -76,6 +76,12 @@ rules:
       - "entitlement_manager_ids" # Entitlement managers (typically <10 per program)
       - "payment_manager_ids" # Payment managers (typically <10 per program)
       - "farm_machinery_ids" # Farm machinery (typically <20 per farm)
+      - "group_membership_ids" # Group members (editable from registrant form)
+      - "individual_membership_ids" # Individual memberships (editable from registrant form)
+      - "reg_ids" # Registrant IDs (editable from registrant form)
+      - "related_1_ids" # Relationships (editable from registrant form)
+      - "related_2_ids" # Relationships (editable from registrant form)
+      - "beneficiary_ids" # Duplicate beneficiaries (editable from duplicate form)
 
 # Severity overrides (change default severity for rules)
 # Valid values: error, warning, info