use contractControl for deployment

[dckc]

Instead of using a separate swingset.CoreEval for each contract deployment, do one CoreEval to deliver a contractControl to the developer's smartWallet.

Then use myContractControl.installAndStart(...) and myContractControl.upgrade(...) after that.

cf.

• feat: delegate control of invitation-only ymax0 beta to an admin smartWallet agoric-sdk#11748
• Split-up portfolio-deploy and support contract name agoric-sdk#12038