Fix regression in LT-21902

[jtmaxwell3]

This fixes a regression in https://jira.sil.org/browse/LT-21902. The regression was caused by the commit at: 50c037d. The commit was to fix https://jira.sil.org/browse/LT-22096. Removing the call to TakeFocus fixed the regression without breaking LT-22096. I'm not sure why TakeFocus was added. Perhaps Mark Kidder remembers.

This also fixes the regression in https://jira.sil.org/browse/LT-21902 and https://jira.sil.org/browse/LT-22095.

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This change is 

[mark-sil]

@mark-sil made 1 comment.
Reviewable status: 0 of 1 files reviewed, 1 unresolved discussion (waiting on @jtmaxwell3).

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Src/Common/Controls/DetailControls/DataTree.cs line 1500 at r1 (raw file):

				if (m_currentSlice != null)
				{
					m_currentSlice.TakeFocus(false);

Without the TakeFocus() call the steps in the original defect, LT-22096, would result in the moved field not having focus.  This would require the user to click on the field before typing.  Probably not a big issue, but would be better if we can maintain focus after a move. I think before removing the TakeFocus() call we should investigate further to see why the TakeFocus() call is resulting in these problems. My initial thought is that the new problems are occurring when the slice that is taking focus is newly created. In the original defect (LT-22096) the focus field was not created, just moved. I can either assist you in the investigation or do the investigation.  Whichever you prefer.