fix(store): created maps properties should be enumerable

[arturovt]

No description provided.

[nx-cloud]

☁️ Nx Cloud Report

CI is running/has finished running commands for commit 20afafa. As they complete they will appear below. Click to see the status, the terminal output, and the build insights.

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✅ Successfully ran 6 targets

• nx run-many --target=test --all --configuration=ci --base=remotes/origin/master --head=HEAD
• nx run-many --target=lint --all --configuration=ci --base=remotes/origin/master --head=HEAD
• nx lint-types store
• nx run-many --target=build --all
• nx run-many --target=test --all --configuration=ci --maxWorkers=4
• nx run-many --target=lint --all

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[bundlemon]

BundleMon (Integration Projects)

Unchanged files (2)

Status	Path	Size	Limits
✅	Main bundles(Gzip) hello-world-ng17/dist-integration/main.(hash) .js	68.48KB	+1%
✅	Main bundles(Gzip) hello-world-ng16/dist-integration/main.(hash) .js	67.03KB	+1%

No change in files bundle size

Final result: ✅

View report in BundleMon website ➡️

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Current branch size history | Target branch size history

[codeclimate]

Code Climate has analyzed commit 20afafa and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 95.2% (0.4% change).

View more on Code Climate.

[markwhitfeld]

Yes! I had actually written a comment about this in the other PR, but didn't submit my review 😬