fix: eth_getBlockReceipts should work similarly as geth

[aarshkshah1992]

Closes #12530 AND #12536.

Tested on a local node as well:

curl --location --request POST 'http://localhost:1234/rpc/v1' --header 'Content-Type: application/json' --data-raw '{ "jsonrpc":"2.0","method":"eth_getBlockReceipts","params":["0xc6b5584814d4872c4050c725fa2bdc2b1d23e8d63ae10db6ce7e6aeef5f4623d"],"id":1}'
{"id":1,"jsonrpc":"2.0","result":[]}

curl --location --request POST 'http://localhost:1234/rpc/v1' --header 'Content-Type: application/json' --data-raw '{ "jsonrpc":"2.0","method":"eth_getBlockReceipts","params":["0xdc7c0197634c7c03adf6c3b44559009bc81278269183e97be4974b65c6425ccf"],"id":1}'
{"error":{"code":1,"message":"failed to get tipset: cannot get tipset by hash: cannot find tipset with cid bafy2bzacedohyamxmnghya5n63b3irkzacn4qetye2iyh2l34sluwzogijom6: ipld: could not find bafy2bzacedohyamxmnghya5n63b3irkzacn4qetye2iyh2l34sluwzogijom6"},"id":1,"jsonrpc":"2.0"}

[rvagg]

👌 nice unit tests

[aarshkshah1992]

@rjan90 Merged this.