Additional web fixes, Github CI should be happy now.

hmm.json

@@ -49,7 +49,7 @@
       "name": "haxeui-core",
       "type": "git",
       "dir": null,
-      "ref": "bfdb49886f256a8c37edfc4f46586727d68e2756",
+      "ref": "91ed8d7867c52af5ea2a9513204057d69ab33c8e",
       "url": "https://github.com/haxeui/haxeui-core"
     },
     {
@@ -144,7 +144,7 @@
       "name": "polymod",
       "type": "git",
       "dir": null,
-      "ref": "41aea83dbc267234b301434553ce8c17742b8ab7",
+      "ref": "80d1d309803c1b111866524f9769325e3b8b0b1b",
       "url": "https://github.com/larsiusprime/polymod"
     },
     {

source/funkin/ui/debug/charting/ChartEditorState.hx

@@ -2137,8 +2137,6 @@ class ChartEditorState extends HaxeUIState
     // Disable the menu item if we're not on a desktop platform.
     var menubarItemGoToBackupsFolder = findComponent('menubarItemGoToBackupsFolder', MenuItem);
     if (menubarItemGoToBackupsFolder != null) menubarItemGoToBackupsFolder.disabled = true;
-
-    menubarItemGoToBackupsFolder.disabled = true;
     #end
 
     addUIClickListener('menubarItemUserGuide', _ -> this.openUserGuideDialog());
@@ -2291,9 +2289,13 @@ class ChartEditorState extends HaxeUIState
    */
   function openBackupsFolder():Void
   {
+    #if sys
     // TODO: Is there a way to open a folder and highlight a file in it?
     var absoluteBackupsPath:String = Path.join([Sys.getCwd(), ChartEditorImportExportHandler.BACKUPS_PATH]);
     WindowUtil.openFolder(absoluteBackupsPath);
+    #else
+    trace('No file system access, cannot open backups folder.');
+    #end
   }
 
   /**