Enable line breaks in deposit license during submission.

[mwoodiupui]

Description

The submission page packs the deposit license into a rectangle regardless of whitespace in the original. This patch preserves whitespace in the license text.

Instructions for Reviewers

List of changes in this PR:

• preserve-line-breaks class added to the license text element.

To test: write a default license with line breaks in it and see if they show up when you start a submission.

Checklist

• My PR is small in size (e.g. less than 1,000 lines of code, not including comments & specs/tests), or I have provided reasons as to why that's not possible.
• My PR passes ESLint validation using yarn lint
• My PR doesn't introduce circular dependencies (verified via yarn check-circ-deps)
• My PR includes TypeDoc comments for all new (or modified) public methods and classes. It also includes TypeDoc for large or complex private methods.
• My PR passes all specs/tests and includes new/updated specs or tests based on the Code Testing Guide.
• If my PR includes new libraries/dependencies (in package.json), I've made sure their licenses align with the DSpace BSD License based on the Licensing of Contributions documentation.
• If my PR includes new features or configurations, I've provided basic technical documentation in the PR itself.
• If my PR fixes an issue ticket, I've linked them together.

[artlowel]

Thanks @mwoodiupui!