Add additional aria-labels to form elements

[bbpennel]

Fixes

Committing back local overrides

Summary

Adds aria-labels to a few form components based on accessibility work in our local repository

Guidance for testing, such as acceptance criteria or new user interface behaviors:

Use the WAVE plugin to check for missing aria labels on the work create/editing page to see if the embargo/lease options have labels with this PR. Check the main search form, and the search form on the "my works" page.

Type of change (for release notes)

notes-bugfix - Add additional missing aria-labels

Detailed Description

Committing back a few aria-labels that we had added to our local repository after doing an accessibility survey.

Changes proposed in this pull request:

• Adds missing aria-label attributes.

@samvera/hyrax-code-reviewers

[dlpierce]

Thank you for submitting your local fixes!