Changed SubSection.Edit Section Config property to correctly be defaulted to "No"

Base MyConfig on the type of item (Procedure, Section or Step)
Keep the code from crashing iff the user selects a result in the search window that points to non-editable text

PROMS/Volian.Controls.Library/StepTabPanel.cs

@@ -90,6 +90,7 @@ namespace Volian.Controls.Library
 		}
 		public void FindSearchString()
 		{
+			if (SelectedEditItem == null) return;// Uneditable Data
 			if (SelectedEditItem.MyItemInfo.IsTable)
 			{
 			    // if not ro table, just make the mysteprtb active.