FINERACT-2455: Extend Datatable support to WC loan entity

[oleksii-novikov-onix]

Description

Describe the changes made and why they were made. (Ignore if these details are present on the associated Apache Fineract JIRA ticket.)

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[oleksii-novikov-onix]

@adamsaghy Please rerun the failed check

2026-04-20T13:29:50.2604252Z Execution failed for task ':fineract-client-feign:buildJavaSdk'.
2026-04-20T13:29:50.2604815Z > Java heap space