opened
zperova
username_0
### Description:

As a user, I want to filter models by the strain.

Jira ticket [PDXI-251](https://www.ebi.ac.uk/panda/jira/browse/PDXI-251)

### Acceptance criteria:

- [ ] harmonize strain values (this is what Steve is working on atm) [affect the loaders, after it is done, a database reload is required]
- [ ] add strain to the searchService [backend] 
- [ ] add strain to the filters on search page [frontend]
Add strain facet
issue