Enable auto case creation on demo for pcq testing

[nitinprabhuhmcts]

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apps/bsp/bulk-scan-orchestrator/demo.yaml

• Changed environment variables for SSCS:
  • AUTO_CASE_CREATION_ENABLED_SSCS: \"false\" to \"true\"
  • CASE_DEFINITION_HAS_ENVELOPE_IDS_SSCS: \"false\" to \"true\"
  • CAN_SEARCH_CASES_BY_ENVELOPE_ID_SSCS: \"false\" to \"true\"