User Staking amount balance recover - 2

This is an account fix of user due polkadot upgrade.
User who finishing his vesting schedule and stake all his money will trigger an account reap and causing user lost his staking reserve money.

The proposal effects the following user:
https://litentry.statescan.io/#/accounts/47an6sGFZ7YTvmDotwBAzeowPUkt2GhJW9sndDxMVwF5dWEt
reserve 17146.93 LIT