Add non working way to open files dialog

umap/static/umap/js/umap.core.js

@@ -426,6 +426,7 @@ L.U.Keys = {
   I: 73,
   L: 76,
   M: 77,
+  O: 79,
   P: 80,
   S: 83,
   Z: 90,

umap/static/umap/js/umap.js

@@ -563,6 +563,10 @@ L.U.Map.include({
         L.DomEvent.stop(e)
         this.importer.open()
       }
+      if (key === L.U.Keys.O && modifierKey && this.editEnabled) {
+        L.DomEvent.stop(e)
+        this.importer.openFiles()
+      }
       if (key === L.U.Keys.H && modifierKey && this.editEnabled) {
         L.DomEvent.stop(e)
         this.help.show('edit')