Expand Approval flow options to be conditional

[#1]

Description - Similar to this old idea, it would be helpful to configure approvals based on a few more options.

Why is this feature important to you - We're always looking for ways to reduce the number of clicks a user has to make. In our case, we have an intake process that is purely approval-based. Without approval logic, my decision-maker must also close the request after approving.

How would you like the feature to work - Allow logic to define what happens upon approval (ex. upon approval, close this issue). Also prompt the decision-maker to provide comments and have those comments appear in the object's Updates.

Current Behaviour - For an issue approval, we can only define what happens when the issue is New and then when rejected.