Related: tdf#91502 handle FORMULA() pCur->IsInForceArray() as well

... so using it in SUMPRODUCT() and other ForceArray context works
as expected.

Change-Id: I60197301edcd2c24f8cb0c5fcf4dc4699d9a6165
Reviewed-on: https://gerrit.libreoffice.org/58118Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Jenkins

sc/source/core/tool/interpr1.cxx

@@ -2759,7 +2759,7 @@ void ScInterpreter::ScFormula()
     switch ( GetStackType() )
     {
         case svDoubleRef :
-            if (bMatrixFormula)
+            if (bMatrixFormula || pCur->IsInForceArray())
             {
                 SCCOL nCol1, nCol2;
                 SCROW nRow1, nRow2;