chore: Upgrade all of prosemirror (#5366)

Co-authored-by: Apoorv Mishra <apoorvmishra101092@gmail.com>

shared/editor/commands/deleteEmptyFirstParagraph.ts

@@ -0,0 +1,31 @@
+import { Command } from "prosemirror-state";
+import isNodeActive from "../queries/isNodeActive";
+
+/**
+ * Deletes the first paragraph node if it is empty and the cursor is at the
+ * beginning of the document.
+ */
+const deleteEmptyFirstParagraph: Command = (state, dispatch) => {
+  if (!isNodeActive(state.schema.nodes.paragraph)(state)) {
+    return false;
+  }
+
+  if (state.selection.from !== 1 || state.selection.to !== 1) {
+    return false;
+  }
+
+  const parent = state.selection.$from.parent;
+  if (parent.textContent !== "" || parent.childCount > 0) {
+    return false;
+  }
+
+  // delete the empty paragraph node
+  dispatch?.(
+    state.tr
+      .delete(state.selection.from - 1, state.selection.from)
+      .scrollIntoView()
+  );
+  return true;
+};
+
+export default deleteEmptyFirstParagraph;