fix incorrect ScAnnotationsObj UNO API, fdo#80551

The used index was a sheet local index but the returned position was
from a global container.

Change-Id: I0b9e9e7e9618c72daf8e6417bca9d3a1cb23abb1

sc/inc/document.hxx

@@ -951,6 +951,7 @@ public:
     void ForgetNoteCaptions( const ScRangeList& rRanges );
 
     ScAddress GetNotePosition( size_t nIndex ) const;
+    ScAddress GetNotePosition( size_t nIndex, SCTAB nTab ) const;
     SCROW GetNotePosition( SCTAB nTab, SCCOL nCol, size_t nIndex ) const;
 
     SC_DLLPUBLIC void GetAllNoteEntries( std::vector<sc::NoteEntry>& rNotes ) const;

sc/source/core/data/document.cxx

@@ -6097,6 +6097,32 @@ ScAddress ScDocument::GetNotePosition( size_t nIndex ) const
     return ScAddress(ScAddress::INITIALIZE_INVALID);
 }
 
+ScAddress ScDocument::GetNotePosition( size_t nIndex, SCTAB nTab ) const
+{
+    for (SCCOL nCol=0; nCol<MAXCOLCOUNT; nCol++)
+    {
+        size_t nColNoteCount = GetNoteCount(nTab, nCol);
+        if (!nColNoteCount)
+            continue;
+
+        if (nIndex >= nColNoteCount)
+        {
+            nIndex -= nColNoteCount;
+            continue;
+        }
+
+        SCROW nRow = GetNotePosition(nTab, nCol, nIndex);
+        if (nRow >= 0)
+            return ScAddress(nCol, nRow, nTab);
+
+        OSL_FAIL("note not found");
+        return ScAddress(ScAddress::INITIALIZE_INVALID);
+    }
+
+    OSL_FAIL("note not found");
+    return ScAddress(ScAddress::INITIALIZE_INVALID);
+}
+
 SCROW ScDocument::GetNotePosition( SCTAB nTab, SCCOL nCol, size_t nIndex ) const
 {
     const ScTable* pTab = FetchTable(nTab);