fix: Add ability to convert between checklist and other types of list

shared/editor/lib/chainTransactions.ts

@@ -0,0 +1,18 @@
+import { EditorState, Transaction } from "prosemirror-state";
+import { Dispatch } from "../types";
+
+export default function chainTransactions(
+  ...commands: ((state: EditorState, dispatch?: Dispatch) => boolean)[]
+) {
+  return (state: EditorState, dispatch?: Dispatch): boolean => {
+    const dispatcher = (tr: Transaction): void => {
+      state = state.apply(tr);
+      dispatch?.(tr);
+    };
+    const last = commands.pop();
+    const reduced = commands.reduce((result, command) => {
+      return result || command(state, dispatcher);
+    }, false);
+    return reduced && last !== undefined && last(state, dispatch);
+  };
+}