Canvas Config Dlg (Sim & Acct only): Tooltips to show current object max coords
Bug Number: n/a
Release notes (y/n): no
For Release Nums: 7.3

The Simulation and Accounting Views' Canvas Configuration dialogs now show
tooltips on the "Canvas Width" and "Canvas Height" labels indicating the
current maximum SimObj coordinates, e.g. ...

   Vertical object coordinates on this canvas currently extend to 1687
   Horizontal object coordinates on this canvas currently extend to 1351

See screenshot:
http://cadswes2.colorado.edu/~philw/2018/bugs/6066/CanvasConfigDlg2.png

Some widgets to show this data were also provisionally deployed, but we're
deciding NOT to show these.  These are shown based on this symbol:
static const bool SHOW_OBJ_MAX_COORD_WIDGETS (false);  // RW 7.3: false

See screenshots (Old and Unused new widgets):
http://cadswes2.colorado.edu/~philw/2018/bugs/6066/CanvasConfigDlg1.png

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