Allow Filtering for Table References and show table identifier

[metas-mk]

Is this a bug or feature request?

Feature Request follow-up of https://github.com/metasfresh/metasfresh-webui-api/issues/788

What is the current behavior?

Currently, it's not possible to add a Label Field as Filter Element which does not point to a reference list, but to a Table ID.

Which are the steps to reproduce?

Check Testcase for Location in Business partner window. Open the Filter and Try last Filter entry.

What is the expected or desired behavior?

Shall work.

[teosarca]

Note to IT:

• please do full regression on editing & filtering by BPartner's Attributes.
• atm we don't have a practical example defined where we use table references. Might be that @metasnw can/will provide. While dev. testing i was using following config:

[metasnw]

IT: working fine