feat: Add option to replace existing file attachment in editor

app/editor/menus/attachment.tsx

@@ -0,0 +1,34 @@
+import { TrashIcon, DownloadIcon, ReplaceIcon } from "outline-icons";
+import { EditorState } from "prosemirror-state";
+import * as React from "react";
+import { MenuItem } from "@shared/editor/types";
+import { Dictionary } from "~/hooks/useDictionary";
+
+export default function attachmentMenuItems(
+  state: EditorState,
+  dictionary: Dictionary
+): MenuItem[] {
+  return [
+    {
+      name: "replaceAttachment",
+      tooltip: dictionary.replaceAttachment,
+      icon: <ReplaceIcon />,
+      visible: true,
+    },
+    {
+      name: "deleteAttachment",
+      tooltip: dictionary.deleteAttachment,
+      icon: <TrashIcon />,
+      visible: true,
+    },
+    {
+      name: "separator",
+    },
+    {
+      name: "downloadAttachment",
+      label: dictionary.download,
+      icon: <DownloadIcon />,
+      visible: !!fetch,
+    },
+  ];
+}