This seems related to Conscious Realism and the conscious-agent thesis:

https://www.frontiersin.org/articles/10.3389/fpsyg.2014.0057...

Both articles address the combination problem. However, the one I linked to goes into more detail about it and in fact addresses two separate combination problems:

“The first is the combination of phenomenal experiences, i.e., of qualia. [...] The second problem is the combination of subjects of experiences.”