Fix unduly early loading of the commandline module.

common/modules/io.jsm

@@ -1026,7 +1026,7 @@ unlet s:cpo_save
 
     },
     modes: function (dactyl, modules, window) {
-        const { commandline, modes } = modules;
+        const { modes } = modules;
 
         modes.addMode("FILE_INPUT", {
             extended: true,

common/modules/overlay.jsm

@@ -253,6 +253,7 @@ var Overlay = Module("Overlay", {
                         catch (e) {
                             Class.replaceProperty(modules, module.className, obj);
                         }
+                        loaded[module.className] = true;
 
                         frob(module.className);