don't replace content of formula field when selecting range, tdf#58635

Change-Id: I85953fdd7c2b7f193b2a815564526d985ae2bba4
Reviewed-on: https://gerrit.libreoffice.org/36309Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

sc/source/ui/condformat/condformatdlg.cxx

@@ -657,7 +657,10 @@ void ScCondFormatDlg::SetReference(const ScRange& rRef, ScDocument*)
 
         OUString aRefStr(rRef.Format(nFlags, mpViewData->GetDocument(),
             ScAddress::Details(mpViewData->GetDocument()->GetAddressConvention(), 0, 0)));
-        pEdit->SetRefString( aRefStr );
+        if (pEdit != mpEdRange)
+            pEdit->ReplaceSelected(aRefStr);
+        else
+            pEdit->SetRefString( aRefStr );
         updateTitle();
     }
 }