[FEATURE]: Add option to mass exclude unmapped entities

Is there an existing issue for this?

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Problem Statement

Currently there is a way to exclude unmapped entities in the manual mapping pane in order to allow the knowledge graph to be built. Unfortunately, right now you have to go entity by entity and manually exclude each entity separately. If you are attempting to map a large preexisting ontology like BFO or CCO you will almost certainly have dozens if not hundreds of unmapped entities after an auto map run.

Proposed Solution

Add a button to mass exclude all unmapped entities from consideration for mapping, alternatively, allow the knowledge graph to be built regardless of how many entities from the ontology are unmapped (there was another ticket asking for this solution and it was supposed to be in 0.6 but it didn't make it into the release notes.

Area

Mapping (Manual / SparkSQL)

Additional Context

No response

Start in the Mapping (Manual / SparkSQL) area, then review issue #40 and the referenced release notes in discussion #96 to understand the prior expected behavior. Determine whether the accepted outcome is a mass-exclude control or allowing graph construction with unmapped entities; done means one chosen behavior works for large sets of unmapped entities.