Add WETH & WBTC (snowbridge) to UI

[lolmcshizz]

WETH registered as external asset 1,000,189 - foreignAssets AssetHub entry:

    [
      {
        parents: 2
        interior: {
          X2: [
            {
              GlobalConsensus: {
                Ethereum: {
                  chainId: 1
                }
              }
            }
            {
              AccountKey20: {
                network: null
                key: 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
              }
            }
          ]
        }
      }
    ]
    {
      owner: 1jMhfSJv5MkSQmEq97UmXCmMV63SHoQ3ednwkRSKETrCREU
      issuer: 1jMhfSJv5MkSQmEq97UmXCmMV63SHoQ3ednwkRSKETrCREU
      admin: 1jMhfSJv5MkSQmEq97UmXCmMV63SHoQ3ednwkRSKETrCREU
      freezer: 1jMhfSJv5MkSQmEq97UmXCmMV63SHoQ3ednwkRSKETrCREU
      supply: 2,544,881,000,000,000,000
      deposit: 2,019,000,000
      minBalance: 1
      isSufficient: false
      accounts: 18
      sufficients: 0
      approvals: 0
      status: Live
    }
  ]

WBTC registered as external asset 1,000,190 - foreignAssets AssetHub entry:

    [
      {
        parents: 2
        interior: {
          X2: [
            {
              GlobalConsensus: {
                Ethereum: {
                  chainId: 1
                }
              }
            }
            {
              AccountKey20: {
                network: null
                key: 0x2260fac5e5542a773aa44fbcfedf7c193bc2c599
              }
            }
          ]
        }
      }
    ]
    {
      owner: 1jMhfSJv5MkSQmEq97UmXCmMV63SHoQ3ednwkRSKETrCREU
      issuer: 1jMhfSJv5MkSQmEq97UmXCmMV63SHoQ3ednwkRSKETrCREU
      admin: 1jMhfSJv5MkSQmEq97UmXCmMV63SHoQ3ednwkRSKETrCREU
      freezer: 1jMhfSJv5MkSQmEq97UmXCmMV63SHoQ3ednwkRSKETrCREU
      supply: 2,735,486
      deposit: 2,019,000,000
      minBalance: 1
      isSufficient: false
      accounts: 3
      sufficients: 0
      approvals: 0
      status: Live
    }
  ]