Add up delegated amounts for total supply

Author: darthsiroftardis

storage/src/system/genesis/account_contract_installer.rs

@@ -357,6 +357,8 @@ where
                     ) in genesis_delegators.iter()
                     {
                         if (*validator_public_key).clone() == public_key.clone() {
+                            total_staked_amount += delegator_delegated_amount.value();
+
                             let purse_uref =
                                 self.create_purse(delegator_delegated_amount.value())?;