4214 restarted process instance

[punitdarira]

Related to #4214

[mboskamp]

Hey @punitdarira, thanks for contributing! Feel free to mark this PR as "Ready for review" when you are done with it and want someone from the team to review the changes. 👍

[psavidis]

Hey @punitdarira,
How is the progress going with this Pull Request? Are you still interested to work on it? If not, no worries, you can always open a new one in the future.

[punitdarira]

Hey @punitdarira, How is the progress going with this Pull Request? Are you still interested to work on it? If not, no worries, you can always open a new one in the future.

Hi @mboskamp, @psavidis,
This PR is slightly dependent on #4334 for tests
I though of creating common tests for this and above mentioned PR.
I tested this feature locally and it was working as expected.
Currently I am working on the dependent ticket.

[punitdarira]

• Need to add the add column sql in db/upgrade. I wasn't sure how the naming of the file works.

[punitdarira]

Hi! @mboskamp @psavidis,
This PR is ready to review. I updated existing test cases itself.