Finish AlignmentTile on cancel
Finish AlignmentTile on cancel

clear indexingmap used for downsampling on finish

IGV-2065

amwenger/igv,itenente/igv,itenente/igv,amwenger/igv,igvteam/igv,itenente/igv,itenente/igv,igvteam/igv,igvteam/igv,godotgildor/igv,igvteam/igv,godotgildor/igv,amwenger/igv,igvteam/igv,godotgildor/igv,amwenger/igv,godotgildor/igv,amwenger/igv,godotgildor/igv,itenente/igv