[1.0.1 -> main] Verify block signature first when creating block_state

[heifner]

When creating a block_state, verify the block signature before ingesting anything from the block.

Merges release/1.0 into main including #700

[ericpassmore]

Note:start
category: Other
component: Internal
summary: When creating a block_state, verify the block signature before ingesting anything from the block.
Note:end