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

Check List for the Author

Please, prepare your MR for a review. Be sure to write a summary and a focus and create gitlab comments for the reviewer. They should guide the reviewer through the changes, explain your changes and also point out open questions. For further good practices have a look at our review guidelines

• All automated tests pass
• Reference related issues
• Up-to-date CHANGELOG.md (or not necessary)
• Up-to-date JSON schema (or not necessary)
• Appropriate user and developer documentation (or not necessary)
  • How do I use the software? Assume "stupid" users.
  • How do I develop or debug the software? Assume novice developers.
• Annotations in code (Gitlab comments)
  • Intent of new code
  • Problems with old code
  • Why this implementation?

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md (or not necessary)
• Appropriate user and developer documentation (or not necessary)
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there specifications? Are they satisfied?

For further good practices have a look at our review guidelines.

build.properties.d/00_default.properties

@@ -151,6 +151,12 @@ BUILD_FOOTER_CUSTOM_ELEMENT_TWO='<p class="caosdb-footer-element"> <a href="http
 ##############################################################################
 BUILD_MODULE_EXT_TRIGGER_CRAWLER_FORM_TOOLBOX="Tools"
 
+##############################################################################
+# Reduce the number of candidates for references in the edit mode to this
+# value. -1 means: no limit.
+##############################################################################
+BUILD_MAX_EDIT_MODE_DROPDOWN_OPTIONS=-1
+
 ##############################################################################
 # Build a dist file containing all JS code from the files in the
 # MODULE_DEPENDENCIES array.