Tobias Bosch f0f65443c6 fix(core): detach projected views when a parent view is destroyed (#16592)
This also clarifies via a test 
that we only update projected views when the view is created or destroyed,
but not when it is attached/detached/moved.

Fixes #15578

PR Close #16592
2017-05-08 17:49:02 -05:00
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