Application: Remove container limited class

What does this MR do and why?

Removes the limit-container-width class from the application pages.

Related to the ongoing efforts of Remove «limit-container-width» (#391236)

Screenshots or screen recordings

Before	After

How to set up and validate locally

1. Create a test application: http://gdk.test:3000/oauth/applications
2. View the test app: http://gdk.test:3000/oauth/applications/1
3. Edit the test app: http://gdk.test:3000/oauth/applications/1/edit

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.