fix inspecting ember data records #5333

Job	Run time
Test	2m 38s
Build extensions	2m 39s
ember-try (ember-lts-3.16)	1m 28s
ember-try (ember-lts-3.20)	1m 14s
ember-try (ember-lts-3.24)	1m 34s
ember-try (ember-lts-3.28)	1m 50s
ember-try (ember-release)	1m 52s
ember-try (ember-beta)	2m 6s
ember-try (ember-canary)	1m 40s
ember-try (ember-default-no-prototype-extensions)	1m 18s
Publish Chrome extension	0s
Publish Firefox extension	0s
Publish bookmarklet	0s
Publish GitHub release	0s
Publish npm package	0s
	18m 19s

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