Resolves fdo#81084 fdo#81696 fdo#80874 fdo#81010 : sort causes crash

Change-Id: I8fb9ec26bc549c264bfbf30177d720b20677b319
Reviewed-on: https://gerrit.libreoffice.org/11102Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

sc/source/core/data/table3.cxx

@@ -932,9 +932,13 @@ void ScTable::SortReorderByRow(
 
             std::vector<PatternSpan>::iterator it = aSpans.begin(), itEnd = aSpans.end();
             for (; it != itEnd; ++it)
+                pDocument->GetPool()->Put(*it->mpPattern);
+
+            for (it = aSpans.begin(); it != itEnd; ++it)
             {
                 assert(it->mpPattern); // should never be NULL.
                 aCol[nThisCol].SetPatternArea(it->mnRow1, it->mnRow2, *it->mpPattern, true);
+                pDocument->GetPool()->Remove(*it->mpPattern);
             }
         }