arcgis sink: transform vales for esriFieldTypeDate field automatically to timeinstamp from DateTime about fiware-cygnus HOT 4 CLOSED

According to Arcgis documentation esriFieldTypeDate uses miliseconds to store timestamp from epoch.

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From cygnus documentation about arcgis sink: https://github.com/telefonicaid/fiware-cygnus/blob/master/doc/cygnus-ngsi/flume_extensions_catalogue/ngsi_arcgis_featuretable_sink.md#about-arcgis-data-types

esriFieldTypeDate

From https://doc.arcgis.com/en/data-pipelines/latest/process/output-feature-layer.htm

... Date fields are stored in feature layers using the format milliseconds from epoch and the coordinated universal time (UTC) time zone. The values will be displayed differently depending on where you are viewing the data. For example, querying the feature service REST end point will return values in milliseconds from epoch, such as 1667411518878....

So, to persist a esriFieldTypeDate field in the Feature Layer, cygnus has to receive an attribute "Number" from the CB with the milliseconds from epoch.

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Fixed in PR #2341

@danielvillalbamota please close this issue after successfully testing (or provide extra feedback in negative case)

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It works.

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