Allow legacy pools to have routes after upgrade

[lastperson]

The following were executed.

set env DEPLOYER_ADDRESS=0xdBD91aD22bE5304e385b7b0A2Cfe91164e416e11

DEPLOY_TYPE=STAGE npm run hardhat -- update-routes-rebalancer --network BASE
DEPLOY_TYPE=STAGE npm run hardhat -- update-routes-rebalancer --network ETHEREUM
DEPLOY_TYPE=STAGE npm run hardhat -- update-routes-rebalancer --network ARBITRUM_ONE
DEPLOY_TYPE=STAGE npm run hardhat -- update-routes-rebalancer --network OP_MAINNET

DEPLOY_TYPE=STAGE npm run hardhat -- update-routes-repayer --network BASE
DEPLOY_TYPE=STAGE npm run hardhat -- update-routes-repayer --network ETHEREUM
DEPLOY_TYPE=STAGE npm run hardhat -- update-routes-repayer --network ARBITRUM_ONE
DEPLOY_TYPE=STAGE npm run hardhat -- update-routes-repayer --network OP_MAINNET