Fix: 3741 - enable fetch-examples script to resolve both ts and js files

[clairep94]

Fix #3714

• script/fetch-examples calls script/examples
• inside script/examples we import the newly migrated /server/models/user file
• this file needs to know to try to resolve both ts and js files, instead of just js

Fixes #issue-number 3714

Changes:

I have verified that this pull request:

• has no linting errors (npm run lint)
• has no test errors (npm run test)
• is from a uniquely-named feature branch and is up to date with the develop branch.
• is descriptively named and links to an issue number, i.e. Fixes #123
• meets the standards outlined in the accessibility guidelines

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[clairep94]

@raclim super quick one from the discord discussion starting here

[raclim]

Thanks @clairep94 for documenting this and following up with a fix! Sorry that it took a while to get to this—I've been catching up after being on break. I think this makes snese to me!