Change log for CSG_CITRIX_RX

Date Changes
2025-03-26 Newly Created Parser for CSG_CITRIX_RX:
- event.idm.read_only_udm.metadata.product_name: Newly Mapped CSG Citrix RX value with event.idm.read_only_udm.metadata.product_name UDM Field.
- event.idm.read_only_udm.metadata.vendor_name: Newly Mapped CSG Citrix RX value with event.idm.read_only_udm.metadata.vendor_name UDM Field.
- event.idm.read_only_udm.metadata.product_log_id: Newly Mapped logId raw log field with event.idm.read_only_udm.metadata.product_log_id UDM Field.
- event.idm.read_only_udm.target.application: Newly Mapped application raw log field with event.idm.read_only_udm.target.application UDM Field.
- event.idm.read_only_udm.target.resource.name: Newly Mapped resourcename raw log field with event.idm.read_only_udm.target.resource.name UDM Field.
- event.idm.read_only_udm.principal.ip: Newly Mapped srcip raw log field with event.idm.read_only_udm.principal.ip UDM Field.
- event.idm.read_only_udm.principal.asset.ip: Newly Mapped target raw log field with event.idm.read_only_udm.principal.asset.ip UDM Field.
- event.idm.read_only_udm.target.resource.attribute.creation_time: Newly Mapped creationTime raw log field with event.idm.read_only_udm.target.resource.attribute.creation_time UDM Field.
- event.idm.read_only_udm.principal.user.userid: Newly Mapped user raw log field with event.idm.read_only_udm.principal.user.user UDM Field.
- event.idm.read_only_udm.target.ip: Newly Mapped targetip raw log field with event.idm.read_only_udm.target.ip UDM Field.
- event.idm.read_only_udm.metadata.timestamp: Newly Mapped timestamp raw log field with event.idm.read_only_udm.metadata.timestamp UDM Field.