Release v4.0.4

Hello all,

this release fixes some bugs reported by users in v4.0.3 including those related to

• using workspaces in jbrowse desktop
• searching and text indexing gff3 on desktop
• using mouseover tooltips on the new canvas features

Thanks to everyone for reporting and helping fix these issues!

bug

• Fix desktop text indexing workflow and search for GFF3 files, and add testing (#5411) @cmdcolin
• Fix errors using 'duplicate session' and viewing recent sessions (#5408) @cmdcolin
• Fix tiled window manager/workspaces not working on desktop (#5406) @cmdcolin

enhancement

• Misc refactors and improvements (#5415) @cmdcolin
• Allow specifying tiled window layout via the URL (#5409) @cmdcolin
• Cluster haplotypes in multi-sample variant viewer (#5403) @cmdcolin
• Add selenium tests for jbrowse desktop (#5110) @cmdcolin