message: validator matrix: add debug message when infering era 0 weights
diff: @@ -10,6 +10,7 @@ use datasize::DataSize;
  use itertools::Itertools;
  use num_rational::Ratio;
  use serde::Serialize;
  +use tracing::debug;
  use casper_types::{EraId, PublicKey, SecretKey, U512};
  @@ -109,6 +110,7 @@ impl ValidatorMatrix {
  validators.validator_weights,
  validators.finality_threshold_fraction,
  ));
  + debug!("Validator Matrix: Inferred validator weights for Era 0 from weights in Era 1");
  }
  was_present
  }
  