wallet: Changed debugwallet downgrade_wallet to downgrade_wallets.
wallet: Changed debugwallet downgrade_wallet to downgrade_wallets.

Downgrades all loaded wallets.

particl/particl-core,particl/particl-core,particl/particl-core,particl/particl-core,tecnovert/particl-core,tecnovert/particl-core,tecnovert/particl-core,tecnovert/particl-core,particl/particl-core,tecnovert/particl-core,particl/particl-core,tecnovert/particl-core