Release 3.6.0

Major features and improvements

Continue work-in-progress on the multiple pipeline selection dropdown, which is still hidden behind a flag and disabled by default but is nearly complete. (#270, #273, #285, #289)
Continue work on new metadata panel endpoints (#275)
Fix chart rendering edge cases and hover styles (#288)
Update Python unit tests using the same json file as front-end (#281)
Improve lib-test docs (#278)
Hide random seed message unless using random data (#280)
Delete deprecated isParam and schema_id fields (#274)
Fix bug caused by typo in saveStateToLocalStorage (#271)
Fix interrupted chart transitions (#269)
Refactor and optimise flowchart performance (#268)