MIN: "Supporting user" banner change to "Student User"

**Describe the task**
As a ministry user, I want the student declare banner updated so that I can quickly determine that we are waiting for the student to enter information instead of the parent or partner

As an institution user, I want the student declare banner updated so that I can quickly determine that we are waiting for the student to enter information instead of the parent or partner

### Acceptance Criteria

Ministry view: Banner for Student self declare not submitted yet

- [ ] Both intensities
- [ ] Ministry and Institution users

- [ ] Change "Supporting User has not submitted this application" to "Student User has not submitted information"
- [ ] Active application
- [ ] Change request

Search the codebase for the exact text "Supporting User has not submitted this application" and trace the banner variants for active applications and change requests. Verify both intensities and both Ministry and Institution views, then confirm each occurrence displays "Student User has not submitted information".

Written by the indexing model from the issue text.