Change log for CUSTOM_APPLICATION_ACCESS

Date Changes
2025-02-07 - Added support to parse the unparsed logs.
- Mapped request_time to metadata.collected_timestamp.
- Mapped timestamp to metadata.event_timestamp.
- Mapped level to additional.fields.
- Mapped msg_1 to metadata.description.
- Mapped service to additional.fields.
- Mapped env to additional.fields.
- Mapped request_id to principal.resource.product_object_id.
- Mapped user_id to principal.user.userid.
- Mapped response.status to network.http.response_code.
2024-03-11 - Newly created parser.