Changes to Read one session workspace file and its git diff

removed the agent_switch_saga enum value from the reporting_owner response property for the response status 400

removed the agent_switch_saga enum value from the reporting_owner response property for the response status 404

removed the agent_switch_saga enum value from the reporting_owner response property for the response status 409

removed the agent_switch_saga enum value from the reporting_owner response property for the response status 500

removed the agent_switch_saga enum value from the reporting_owner response property for the response status 501

added the new optional query request parameter branch

added the new optional query request parameter commitShas

added the new optional query request parameter expectedBaseSha

added the new optional query request parameter expectedTipSha

added the new optional query request parameter prNumber

added the new optional query request parameter snapshot

added the new optional query request parameter sourceUrl

added the new enum value uncommitted to the query request parameter section

added the non-success response with the status 409

added the optional property historical to the response with the 200 status

added the new optional query request parameter commitSha

added the required property editable to the response with the 200 status

added the required property fileFingerprint to the response with the 200 status

added the required property workspaceVersion to the response with the 200 status

added the optional property reporting_owner to the response with the 400 status

added the optional property reporting_owner to the response with the 404 status

added the optional property reporting_owner to the response with the 500 status

added the optional property reporting_owner to the response with the 501 status

added the new optional query request parameter section

added the optional property imageMediaType to the response with the 200 status

added the optional property compareBaseRef to the response with the 200 status

added the optional property compareBaseSha to the response with the 200 status

added the optional property compareMode to the response with the 200 status

added the optional property previousPath to the response with the 200 status

endpoint added