eth_getBlockByNumber is slow for epoch 0

[hanabi1224]

Describe the bug

Forest is very slow in responding the below payloads

{
	"method": "eth_getBlockByNumber",
	"params": [
		"0x00", false
	],
	"id": 328,
	"jsonrpc": "2.0"
}

{
	"method": "eth_getBlockTransactionCountByNumber",
	"params": [
		"0x00"
	],
	"id": 328,
	"jsonrpc": "2.0"
}

{
	"method": "Filecoin.ChainGetTipSetByHeight",
	"params": [
		0, null
	],
	"id": 328,
	"jsonrpc": "2.0"
}

To reproduce

1. Go to '...'
2. Run '....'
3. See error

Log output

Log Output

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Expected behaviour

Screenshots

Environment (please complete the following information):

• OS:
• Branch/commit
• Hardware

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