Add integration tests for invalid P2P sync messages

[joojis]

• Block sync

• Invalid fields
  • Invalid parent
  • Invalid timestamp
  • Invalid number
  • Invalid author
  • Invalid extradata
  • Invalid parcelroot
  • Invalid stateroot
  • Invalid invoiceroot
  • Invalid score
  • Invalid seal
• Invalid size
• Invalid status message scenario
• Mismatch between block header and body
• Invalid seal in pow consensus

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• Parcel sync
  • Invalid fields
    • Invalid fee
    • Invalid nonce
    • Invalid networkid
    • Invalid signature
  • Invalid size