Unify price event provider event data formation.

[bricht]

The price event data providers contain some duplicate code. Specifically buildEventData functions in FullReindex and PartialReindex providers.
For example
\Magento\CatalogPriceDataExporter\Model\Provider\FullReindex\CustomOptionPriceEvent::buildEventData
and
\Magento\CatalogPriceDataExporter\Model\Provider\PartialReindex\CustomOptionPriceEvent::buildEventData
are the same.

We need to bring this logic out of the providers in order to avoid code duplication.

Related to #465

[m2-assistant]

Hi @bricht. Thank you for your report.
To help us process this issue please make sure that you provided sufficient information.

Please, add a comment to assign the issue: @magento I am working on this

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[mslabko]

@magento export issue to Jira project SFAPP as Story

[magento-engcom-team]

✅ Jira issue (https://jira.corp.magento.com/browse/SFAPP-197) is successfully created for this issue.

[RakeshJesadiya]

@mslabko @bricht Which repo contains the Class CustomOptionPriceEvent.php defined in the issue?
Thank you.

[bricht]

@mslabko @bricht Which repo contains the Class CustomOptionPriceEvent.php defined in the issue?
Thank you.

https://github.com/magento/commerce-data-export/pull/21/files#diff-ba1939c8004a571b5cb8c76346ab6b6a96427eb9ae468b637174954c486a83f8

[RakeshJesadiya]

When the CatalogPriceDataExporter module will be merged? FYI @bricht

[RakeshJesadiya]

@magento I am working on this

[RakeshJesadiya]

@mslabko @bricht Please check the PR, magento/commerce-data-export#23