Changes to List legal documents

the items/document_type response's property type changed from no type to string for status 200

added the new client_assets_safeguarding_policy enum value to the items/document_type response property for the response status 200

added the new complaints_handling_policy enum value to the items/document_type response property for the response status 200

added the new conflicts_of_interest_policy enum value to the items/document_type response property for the response status 200

added the new costs_and_charges enum value to the items/document_type response property for the response status 200

added the new investment_services_agreement enum value to the items/document_type response property for the response status 200

added the new investor_compensation_fund_policy enum value to the items/document_type response property for the response status 200

added the new order_execution_policy enum value to the items/document_type response property for the response status 200

added the new pccpc_acceptance_declaration enum value to the items/document_type response property for the response status 200

added the new pccpc_prospectus enum value to the items/document_type response property for the response status 200

added the new pccpc_special_regulations enum value to the items/document_type response property for the response status 200

added the new risk_disclosures enum value to the items/document_type response property for the response status 200

removed LegalDocumentType from the items/document_type response property allOf list for the response status 200

response property context/additionalProperties/ list-of-types was widened by adding types array to media type application/json of response 400

api tag legal-documents added