Bug 5958: Creating SCT for Integer Indexed Series Slots does not always work.
Bug Number: 5958
Release notes (y/n): Yes (7.0.7)
For Release Nums: 7.0.7 and 7.1

We're finding that, with the introduction of the SCT's "Edit Series Slot 
List" tab (about five years ago, for RW 6.1, Dec 2011), some ways of adding 
an Integer Indexed Series Slot as the first series slot in the SCT does not 
work.  In most cases, an error is explicitly reported.  On some other 
circumstances, the slot's cells are just grayed out, not showing any data 
(as the SCT's configuration state to support this special kind of series 
slot is not complete).

This was addressed by explicitly setting the SCT Configuration to "Integer 
Indexed Series" mode in a couple more places in the SCT where the user has 
either explicitly configured the SCT for that mode, or has added (only) 
these types of slots as the SCT's only series slots.

Note that we have some technical debt in the SCT's Integer Indexed Series 
Slot mode which I am not going to attempt to address in the context of this 
fix.  The operations to set that mode explicitly OMITTED support for changing 
back to normal time series mode.  That's unfortunate, and does cause a very 
minor problem with the SCT Configuration Dialog's support for backing out 
of changes.  But nothing really terrible happens (beyond the reality of 
the fact that that setting cannot be reversed).

The note above is relevant to the bug report's observation about certain 
widgets not immediately becoming disabled when selecting the "Integers" 
radio button -- see "Step 2" in the "How To Repeat" section.  (The relevant 
widgets DO become disabled when the user clicks the "Apply" button).  This 
indicated ancillary problem, in and of itself, is not actually causing any 
actual problems, so I'm not going to make any changes for that.  (This is a 
very minor issue).

See especially the added calls to setForIntIndexedSlots() in these two 
methods:

   SctConfig::setSlotDataList (const QList<SctConfigSlotData>&);
   SctConfig::copyViewSettings (const SctConfig* ....);

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