Updates to package dependencies & improved user experience

[GomezIvann]

Checklist
(Check off all the items before submitting)

• Build process is done without errors and all tests pass in the /lib directory.
• Self-reviewed the code before submitting.
• Meets accessibility standards.
• Added/updated documentation to /website as needed.
• Added/updated tests as needed.

Purpose
After some issues were reported with the user experience of using /the app, we decided to review it and apply some changes.

Description

1. Updated package-lock in /app to fix some launching problems. As it stands, when following the steps on the README.txt, /app was throwing errors:

Updating the packages of the package-lock.json file fixed this issue.

2. /app console warnings were also removed.