Gnats 4980: Configure menu in new expression slot is disabled

Analysis of the editability and configurability of Slots:

  Data
Editable
Time Range
Editable
(slots with
Series only)
Convergence
and Min/Max
Editable

Display Props
Editable
(display units,
precision, and
format)

RPL Expression Slots NO YES YES YES
Slots on Snapshot Objs NO NO NO YES
Other Slots YES YES YES YES
Viewer Mode NO NO NO YES
Baseline Model:
   Non-Scenario Slots
NO NO NO YES

The Time Range, Convergence and Display Props should always be at least VIEWABLE.

A Slot's Unit TYPE is editable only if the Slot is on a Data Object (but not a Snapshot Object).

 See Resolution Notes 

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