Revert "Revert "[Issue #236]: Update contest graph data on handles update""
Revert "Revert "[Issue #236]: Update contest graph data on handles update""

This reverts commit c613baa3a1b35f900bb51388ed1236098b24740d.

stopstalk/stopstalk-deployment,stopstalk/stopstalk-deployment,stopstalk/stopstalk-deployment,stopstalk/stopstalk-deployment,stopstalk/stopstalk-deployment