[BUG] List accumulator not taking in all possible nested object types

[mmcky]

Describe the bug

List accumulator isn't being applied to all possible nested content types

To Reproduce

For supplementary reading, see

.. only:: html

    * :cite:`Ljungqvist2012`, chapter 2
    * :cite:`Sargent1987`, chapter 11
    * John Cochrane's :download:`notes on time series analysis </_static/lecture_specific/arma/time_series_book.pdf>`, chapter 8
    * :cite:`Shiryaev1995`, chapter 6
    * :cite:`CryerChan2008`, all

gets converted to

```{only} html
{cite}`Ljungqvist2012`{cite}`Sargent1987`<a href=/_static/lecture_specific/arma/time_series_book.pdf download></a>{cite}`Shiryaev1995`{cite}`CryerChan2008`* , chapter 2
* , chapter 11
* John Cochrane's notes on time series analysis, chapter 8
* , chapter 6
* , all

as the download directive and citations doesn't get added to the list accumulator