Description
Add dockstore_absolute_path to files endpoint and descriptors
Add dockstore_self_url to descriptors

Review Instructions
Load up a test DB and try the following urls

http://hostname:4200/api/ga4gh/trs/v2/tools/%23workflow%2Fgithub.com%2Fbroadinstitute%2Fwarp%2FOptimus/versions/develop/WDL/files will have list the files and have dockstore_absolute_path for each file in the list

http://hostname:4200/api/ga4gh/trs/v2/tools/%23workflow%2Fgithub.com%2Fbroadinstitute%2Fwarp%2FOptimus/versions/develop/WDL/descriptor will show the json for one file and have both dockstore_absolute_path and dockstore_self_url

Issue
https://ucsc-cgl.atlassian.net/browse/SEAB-6699

Security and Privacy

None

• Security and Privacy assessed

Please make sure that you've checked the following before submitting your pull request. Thanks!

• Check that you pass the basic style checks and unit tests by running mvn clean install
• Ensure that the PR targets the correct branch. Check the milestone or fix version of the ticket.
• Follow the existing JPA patterns for queries, using named parameters, to avoid SQL injection
• If you are changing dependencies, check the Snyk status check or the dashboard to ensure you are not introducing new high/critical vulnerabilities
• Assume that inputs to the API can be malicious, and sanitize and/or check for Denial of Service type values, e.g., massive sizes
• Do not serve user-uploaded binary images through the Dockstore API
• Ensure that endpoints that only allow privileged access enforce that with the @RolesAllowed annotation
• Do not create cookies, although this may change in the future
• If this PR is for a user-facing feature, create and link a documentation ticket for this feature (usually in the same milestone as the linked issue). Style points if you create a documentation PR directly and link that instead.