BMS Renderer 2.7.0

• Charts sharing a title no longer overwrite each other
• The Queue no longer removes the wrong rows
• "Render All BGA in Playlist" now applies the assigned album art to its audio-only outputs
• Failed BGA renders no longer leave temp files in the output folder
• Improve BGA export dialog wording
• Misc. performance improvements
• UI/UX: Real progress bar during renders
• UI/UX: Live output-format indicator