--wasm-runtime-overrides does not check spec name

[JoshOrndorff]

        --wasm-runtime-overrides <PATH>                          
            Specify the path where local WASM runtimes are stored.
            
            These runtimes will override on-chain runtimes when the version matches.

As the docs say, the runtime version is checked. But it seems the spec name is not checked. On an internal testnet, we recently (accidentally) used a moon_river_ runtime as an override when we should have used a moon_beam_ runtime. As expected, that led to a lot of unintended consequences.

It would be helpful if the spec name was checked and either:

1. Refuse to use overrides for different runtimes
2. Print a warning at node startup