Handle taxonomy id edge cases for strains

Context

#1722
https://github.com/AlexsLemonade/refinebio/pull/2035
https://www.ebi.ac.uk/ena/data/view/SRS663100&display=xml

We now support organisms with strains by using a single strain's transcriptome index for the whole species. Which strain to use is chosen by an expert. However this is complicated because NCBI has a different organism with a different taxonomy id for each strain.

Problem or idea

It seems like generally ENA returns the taxonomy id for the organism rather than the strain, but I found some edge cases where the only information we have on the species is:

<TAXON_ID>511145</TAXON_ID>
<SCIENTIFIC_NAME>Escherichia coli str. K-12 substr. MG1655</SCIENTIFIC_NAME>

(https://www.ebi.ac.uk/ena/data/view/SRS663100&display=xml)

This means that we can't easily tell that this sample has the organism "E. coli", so we end up thinking that we don't have a transcriptome index for it.

Solution or next step

@jaclyn-taroni has agreed that trying to use the above metadata to map to "E. coli" via some manipulation of the SCIENTIFIC_NAME would be messy and bug prone. Therefore the only solution we have at the moment is to create a mapping from strain-specific-taxonomy-ids to the taxonomy id for the organism (i.e. https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=info&id=562 rather than https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=info&id=511145)

Start with the ENA XML example for SRS663100 and compare its TAXON_ID 511145 and SCIENTIFIC_NAME with the NCBI taxonomy entry for organism ID 562. Review the context in #1722 and pull request #2035, then define the strain-specific taxonomy mapping needed so the sample resolves to the organism's transcriptome index.