[object Object] in `demux summarize` output

[Oddant1]

Bug Description After mousing over the Interactive Quality Plot in demux summarize visualizations the "random sampling X out of Y sequences" turns into "random sampling of X out of [object Object] sequences"

Steps to reproduce the behavior

1. Go to https://view.qiime2.org/visualization/?type=html&src=https%3A%2F%2Fdocs.qiime2.org%2F2020.8%2Fdata%2Ftutorials%2Fmoving-pictures%2Fdemux.qzv
2. Click on the "Interactive Quality Plot" tab
3. Observe "10000 out of 263931 sequences"
4. Mouse over a bar in the plot
5. Observe "10000 out of [object Object] sequences"

Expected behavior Show the correct numbers instead

Screenshots

Computation Environment

• QIIME 2 2020.6, 2020.8, or latest dev as of writing