[BUG] null values from cisco asa data

[rez97415]

Describe the bug

There is "No results displayed because all values equal 0." in most dashboards (for example ElastiFlow (flow): Overview->Servers and Clients (bytes), Services (bytes)). Flow records are coming from cisco asa to my opensearch server Is it opensearch bug or cisco bug? Thank you

To Reproduce Steps to reproduce the behavior:

1. Install opensearch and opensearch-dashboards by ansible playbook
2. Install dashboards-2.14.x-flow-codex.ndjson from docs.elastiflow by API in dashboard
3. Sent cisco flow records to opensearch server
4. Open ElastiFlow (flow): Overview dashboard
5. See bug

OpenSearch Version 2.16

Dashboards Version 2.16

Screenshots

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