[Bug] Support old backups that have no type for recurringTransaction

### 🛰️ **What happened?**

After enabling recurring transactions for income and transfers the backups created before can't be imported because they are missing the type (like IN, OUT, TRSF)

### 🖥️ **OS**

Both

### 🔄 **What version?**

All

### 🔢 **Version**

Most recent on main branch

### 📸 **Screenshots or logs**

_No response_

### 📝 **Code of Conduct**

- [x] ✅ I agree to the Code of Conduct