v9.7.3

Fixed

• Fixes #740 - Opening untracked files from "files changed" section fails
• Fixes issue where the Open Changes with Previous Revision command would compare the working file with HEAD even if there no working file changes (now it will compare HEAD with the previous commit)
• Fixes issue where the Open Changes, Open Changes with Working File, and Open Revision commands on files in the "files changed" section of the Repositories view would either fail or do nothing