Function handleAppInstallDragOver

packages/client/src/app/AppShell.tsx:2693–2700

(event: React.DragEvent<HTMLElement>)

  }

  function handleAppInstallDragOver(event: React.DragEvent<HTMLElement>) {
    if (!dragEventHasFiles(event.dataTransfer)) {
      return;
    }
    event.preventDefault();
    event.stopPropagation();
    event.dataTransfer.dropEffect = canInstallApp ? "copy" : "none";
  }

  function handleAppInstallDragLeave(event: React.DragEvent<HTMLElement>) {
    if (!dragEventHasFiles(event.dataTransfer)) {