2025.09.1 New LHS UI with data columns and filters

What's changed?

• NEW FEATURE New LHS UI with data columns and filters
• IMPROVEMENT New endpoint for plotly graph upload
• IMPROVEMENT Refinement resolution in metadata.csv
• IMPROVEMENT Management command to change proposal of existing target
• IMPROVEMENT b/e for assay data referencing observations
• IMPROVEMENT Link LHS observations to matching RHS compounds
• IMPROVEMENT XCA uploader support for large uploads
• BUG Fix erroneous comparison in RHS upload
• BUG Remove original SMILES requirement from RHS upload
• BUG Skip assay data with empty headers
• BUG Fix download failing with queryset error
• BUG Catch rendering in progress UI bug

Stack pull requests

• docs: LICENCE copyright fix by @alanbchristie in #121
• f/e & b/e -> 2025.09.1 by @mwinokan in #122

Full Changelog: 2025.06.2...2025.09.1