refactor: popup module

[maxwellmattryan]

Summary

Please summarize your changes, describing what they are and why they were made.

This PR refactors existing code from the old lib/popup.ts file into a auxiliary popup module.

Changelog

- Refactor existing code into auxiliary popup module
- Update library modules for docs

Relevant Issues

Please list any related issues using development keywords.

Closes #3974

Testing

Platforms

Please select any platforms where your changes have been tested.

• Desktop
  • MacOS
  • Linux
  • Windows
• Mobile
  • iOS
  • Android

Instructions

Please describe the specific instructions, configurations, and/or test cases necessary to test and verify that your changes work as intended.

Check general app functionality, particularly where popups are involved.

Checklist

Please tick all of the following boxes that are relevant to your changes.

• I have followed the contribution guidelines for this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or modified tests that prove my changes work as intended
• I have verified that new and existing unit tests pass locally with my changes
• I have verified that my latest changes pass CI workflows for testing and linting
• I have made corresponding changes to the documentation

[MarkNerdi996]

LGTM