[REFACTOR] Consistently use keys as indices rather than duplicating them.

[e-lo]

User Story

As a developer and user I'd like to be able to consistently query tables for links, nodes and shapes by the KEY fields using index functions rather than a duplicated index which needs to be copied.

Priority

Medium

Level of Effort

Moderate

Resolution Ideas

Project

Is there a funder or project associated with this feature?

Who should be involved?

Implementer:
Commenters:
Users:
Reviewers:

Risk

Will this potentially break anything?

Tests

What are relevant tests or what tests need to be created in order to determine that this issue is complete?

[e-lo]

Just elevating this again. When we add new links and duplicate them to create managed lanes it becomes a PITA to keep these in line which just caused me over a day of debugging h-e-double-hockey-stix