EIP1559: handle eip1559 response in connect and suite

[enjojoy]

• Modify types (also on the side of blockbook?)
• Build new fee levels for the chains supporting eip1559
• Ensure backwards compatibility if the eip1559 response wasn't provided

Gas API response

[
  {
    "feePerTx": "320733221077000",
    "feePerUnit": "6051570209",
    "feeLimit": "53000",
    "eip1559": {
      "baseFeePerGas": "6119996137",
      "low": {
        "maxFeePerGas": "6127892137",
        "maxPriorityFeePerGas": "7896000",
        "minWaitTimeEstimate": 15000,
        "maxWaitTimeEstimate": 60000
      },
      "medium": {
        "maxFeePerGas": "9721594476",
        "maxPriorityFeePerGas": "970000000",
        "minWaitTimeEstimate": 15000,
        "maxWaitTimeEstimate": 45000
      },
      "high": {
        "maxFeePerGas": "16075991116",
        "maxPriorityFeePerGas": "2000000000",
        "minWaitTimeEstimate": 15000,
        "maxWaitTimeEstimate": 30000
      },
      "networkCongestion": 0.6111,
      "latestPriorityFeeRange": [
        "7300000",
        "3629271528"
      ],
      "historicalPriorityFeeRange": [
        "3118009",
        "51299646618"
      ],
      "historicalBaseFeeRange": [
        "5068688541",
        "7797676111"
      ],
      "priorityFeeTrend": "down",
      "baseFeeTrend": "up"
    }
  }
]

[enjojoy]

Done in #17156