FIX: use paging during options generation in edit mode

Summary

Implementation for https://gitlab.com/linkahead/linkahead-webui/-/issues/216

Focus

• Queries that retrieve entities that are candiates for drop down use paging.
• A Count Query identifies whether more enties would be available. If so, an option to enter an ID manually is included (a button ) and the dropdown shows a warning that it does not include all entities.

Test Environment

• manually test the behavior

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