Update igv, save locus, improve error handling

Author: guerler

client/visualizations.yml

@@ -38,7 +38,7 @@ heatmap:
     version: 0.0.15
 igv:
     package: "@galaxyproject/igv"
-    version: 0.0.10
+    version: 0.0.14
 jupyterlite:
     package: "@galaxyproject/jupyterlite"
     version: 0.0.17