message: fix if statement for initialisation
diff: @@ -5,7 +5,7 @@ const initializedDoc = (
  columns: { fieldName: string; type: string; value?: any; script?: any }[]
  ) => async (snapshot: functions.firestore.DocumentSnapshot) =>
  columns.reduce(async (acc, column) => {
  - if (snapshot.get(column.fieldName) === undefined) return { ...(await acc) }; // prevents overwriting already initialised values
  + if (snapshot.get(column.fieldName) !== undefined) return { ...(await acc) }; // prevents overwriting already initialised values
  if (column.type === "static") {
  return {
  ...(await acc),
  