Fix issue #10144 [Problem] FreeCAD freezes when clicking inside spreadsheet - see issue for detailed explanation.

src/Mod/Spreadsheet/Gui/AppSpreadsheetGui.cpp

@@ -111,7 +111,9 @@ PyMOD_INIT_FUNC(SpreadsheetGui)
     // instantiating the commands
     CreateSpreadsheetCommands();
 
+#if defined(Q_OS_WIN32)
     QAccessible::installFactory(SpreadsheetGui::SheetTableViewAccessibleInterface::ifactory);
+#endif
 
     SpreadsheetGui::ViewProviderSheet::init();
     SpreadsheetGui::ViewProviderSheetPython::init();