Migrate Form::submit helper

[marcusmoore]

This PR migrates calls to Form::submit to plain old html.

Pages Affected

• Requestable Items

[what-the-diff]

PR Summary

• Simplified Button Implementation
  We have replaced a more complex button creation process with a standard and simpler approach using <input type="submit">. Now, both cancel and request buttons fall under this simplified process. This change should make the code more understandable and easier to maintain.