This PR allows to make a few components: the EVM, NethermindApi (blockchainBridge) and InitializeBlockchain, slightly more overridable for precompile integration.

This PR goes in pair with the one for arbitrum precompile integration here.

This looks like many changes, but actually it's mostly renaming the existing VirtualMachine class to VirtualMachineBase class that now gets derived by a new VirtualMachine class. And I had to change many references now pointing to the base VirtualMachineBase class.

What types of changes does your code introduce?

• Bugfix (a non-breaking change that fixes an issue)
• New feature (a non-breaking change that adds functionality)
• Breaking change (a change that causes existing functionality not to work as expected)
• Optimization
• Refactoring
• Documentation update
• Build-related changes
• Other: Small changes to allow for more override of components (for custom precompile integration)

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