Submission deletion

[jabrah]

Related: https://github.com/eclipse-pass/main/issues/549

pass-core PR: https://github.com/eclipse-pass/pass-core/pull/81

Will require some pass-core changes to add delete permissions on appropriate objects

Changes

• Update submission delete logic:
  • Delete Files on a draft submission
  • Delete Publication when possible
  • Finally, delete the Submission
  • Errors either thrown directly or passed
• Update submission-action-cell which has a Delete button
  • Add flash message on submission deletion error instead of relying on default error handling
• Update submission deletion logic in submission details page to show a flash message on submission deletion error
  • Normalize behavior to match behavior with submission-action-cell