Revert "core/types: put header fields in correct order (ethereum#27791)"

This reverts commit 23f7874.

Author: devopsbo3

core/types/block.go

@@ -85,11 +85,11 @@ type Header struct {
 	// WithdrawalsHash was added by EIP-4895 and is ignored in legacy headers.
 	WithdrawalsHash *common.Hash `json:"withdrawalsRoot" rlp:"optional"`
 
-	// BlobGasUsed was added by EIP-4844 and is ignored in legacy headers.
-	BlobGasUsed *uint64 `json:"blobGasUsed" rlp:"optional"`
-
 	// ExcessBlobGas was added by EIP-4844 and is ignored in legacy headers.
 	ExcessBlobGas *uint64 `json:"excessBlobGas" rlp:"optional"`
+
+	// BlobGasUsed was added by EIP-4844 and is ignored in legacy headers.
+	BlobGasUsed *uint64 `json:"blobGasUsed" rlp:"optional"`
 }
 
 // field type overrides for gencodec
@@ -102,8 +102,8 @@ type headerMarshaling struct {
 	Extra         hexutil.Bytes
 	BaseFee       *hexutil.Big
 	Hash          common.Hash `json:"hash"` // adds call to Hash() in MarshalJSON
-	BlobGasUsed   *hexutil.Uint64
 	ExcessBlobGas *hexutil.Uint64
+	BlobGasUsed   *hexutil.Uint64
 }
 
 // Hash returns the block hash of the header, which is simply the keccak256 hash of its