If there is no document in the version still MT and TM merge modal open and shows some action/progress
Steps to Reproduce:
Login to zanata
Go to dashboard
Create project and version
Do not upload any document in version
Run MT and TM merge from right top options
Observe actions
Actual Result:
TM and MT merge modal opens and shows some progress on run even if there is no any document
Expected result:
MT and TM merge modal should not open if there is no any document
it should show a notification that no documents in version to run MT/TM