fix: 155 currentuser is always null on the first call of appauth

[qcdyx]

Summary:

Closes #155
Expected behavior:

1. Login
2. Open developer console, choose slow 3G as network setting
3. Click Refresh button of browser
4. You'll see a spinner
5. Click Generate Access Token
6. You'll see the token generated

Testing tips:

Provide tips, procedures and sample files on how to test the feature.
Testers are invited to follow the tips AND to try anything they deem relevant outside the bounds of the testing tips.

Please make sure these boxes are checked before submitting your pull request - thanks!

• Run the unit tests with ./scripts/api-tests.sh to make sure you didn't break anything
• Format the title like "feat: [new feature short description]". Title must follow the Conventional Commit Specification(https://www.conventionalcommits.org/en/v1.0.0/).
• Linked all relevant issues
• Include screenshot(s) showing how this pull request works and fixes the issue(s)

[github-actions]

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[davidgamez]

LGTM!