Block building fixes found for large deposit requests set

[somnathb1]

• Add requests sidecar to Seal func
• Additional logging for better debugging on live networks
• Fix issue with requests in getPayload API

[somnathb1]

Tests performed with Kurtosis is as follows (thanks to pk910 from ethpandaops)

assertoor_params:
  run_stability_check: false
  run_block_proposal_check: false
  tests:
    - { file: "https://raw.githubusercontent.com/ethpandaops/assertoor/refs/heads/electra-support/playbooks/pectra-dev/kurtosis/fillup-deposit-queue.yaml", config: { depositCount: 25000, depositMaxIndex: 500 }}

Getting all the deposit requests fine on blocks produced by Erigon, as seen in this image:

[somnathb1]

Cherry picked the commits from pectra_e2 will merge back after this commit, so pectra_e2 will be 100% the same as release after this.