* add a function to change selection of deleted item in remove action, and update flexlayouts
* resize when item is deleted
* fix for resize handles not showing after object is dropped
* fix isAlias logic for folder views
* remove uneccesary console log
* move selection logic to flexible layouts
* only update inspector views if selection has changed to a new context
* force a digest in the plot options controller once the series are added
* conditionally show snapshot button only if notebook is installed
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