In API lookups, use the exported object ID

[bobg]

In API lookups, use the exported object ID, not whatever ID the user has assigned (a use of) it to.

[github-actions]

Modver result

This report was generated by Modver,
a Go package and command that helps you obey semantic versioning rules in your Go module.

This PR does not require a change in your module’s version number.
(You might still consider bumping the patchlevel anyway.)

[coveralls]

Pull Request Test Coverage Report for Build 8039366484

Details

• 0 of 5 (100.0%) changed or added relevant lines in 1 file are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.04%) to 61.758%

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Files with Coverage Reduction	New Missed Lines	%
expr.go	2	61.57%

Totals
Change from base Build 8039292902:	-0.04%
Covered Lines:	822
Relevant Lines:	1331

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💛 - Coveralls