CoeSwd9: Minor: Context operation text change: "Replace" --> "Select" [... GUS]
Bug Number: n/a
Release notes (y/n): no
For Release Nums: 7.1

Plot item list context menu action text change, for the operation on a slot 
reference to bring up the GUS slot selector and pick a different slot 
(generally of the same slot type and unit type).  The word "Replace" was 
changed to "Select" in these dynamically generated operations.  Example:

   OLD:  Replace Series Slot (Volume) ...
   NEW: Select Series Slot (Volume) ...

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