Get explorations CRUD working again

[seancolsen]

Fixes #3865
Fixes #3621

This PR makes the front end changes necessary for explorations adding, replacing, getting, listing, and deleting to work. And it handles running saved explorations too.

Checklist

• My pull request has a descriptive title (not a vague title like Update index.md).
• My pull request targets the develop branch of the repository
• My commit messages follow best practices.
• My code follows the established code style of the repository.
• I added tests for the changes I made (if applicable).
• I added or updated documentation (if applicable).
• I tried running the project locally and verified that there are no visible errors.

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[pavish]

Looks good to me!