Include FSA directory path in confirmation email to PI and requester

[matthew-li]

Description

**** Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change. ****

• Updated the confirmation email sent to the PI and requester when an FSA request is completed to include the path to the directory.

Type of change

**** Please delete options that are not relevant. ****

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

**** Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration. ****

• Test that the email includes the directory path (e.g., via Mailhog on port 8025).

PR Self Evaluation

Strikethrough things that don’t make sense for your PR.

• My code follows the agreed upon best practices
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (if needed)
• My changes generate no new warnings
• Any dependent changes have been merged and published in the appropriate modules
• I have performed a self-review of my own code