Child Plan is triggered every time after completion of both automatic & manual stages (if any) in the parent plan

Issue Summary

Suppose we have one main build plan, it has two stages, One automatic and other is manual. In this build plan child plan is configured & the problem is that child build plan are triggered upon completion of the automatic stage and also after manual stage

This is reproducible on Data Center: yes

Steps to Reproduce

1. Create a build plan and add two stages, one automatic & one manual stage 
2. create a child plan dependency in the build plan which will execute the child plan
3. Now when you execute the plan it will execute the child plan in both automatic and manual stage

Suggestion

Requirement is child plan needs to be executed only after completion of the automatic stage and don't want to trigger child plan under manual stage

Actual Results

Currently we have option "Trigger dependencies only when all stages have been run successfully" present under Dependencies >> Advance option. But it trigger's child plan after completion of all stages in the parent build plan (including manual stage)

if we don't select the above option, child plan is triggered when both automatic and manual stage's are executed.

Workaround

Required, if there is no workaround please state:
Currently there is no known workaround for this behaviour. A workaround will be added here when available