Incorrect pod selection with "Drag Handler" clicking

[senwang86]

PR #398 add the Edit/CMD mode, however, clicking the "drag handler" seems set the pod selection incorrectly. To reproduce the bug,

• Pick a scope A and click the "drag handler", right now, the scope A is selected
• Use arrow keys to jump across pods
• At any pod/scope, press "Enter", instead of entering the pod for edit mode or jump to the 1st child of the scope, you will go to scope A's first child.

[senwang86]

PR #431 fixed this issue.