Checklist

• The build process is done without errors. 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.

Description
Updates:

• Edit page links fixed. They were pointing to non-existing files.
• Sidenav's responsive behaviour inside the application layout has been fixed.
• Button updates in the opinionated theming strategy to fix color contrast issues.
• Themes page has been updated with the latest values.
• Typescript configuration updates and simplification.
• Type fix in the Toast component at the loading method.

Closes #2105