mock TON liteServer with real calls

[swift1337]

In some test cases where we can't use codegen mocks, we need to mock TON LiteServer i.e. resolve peers using lite-server.json config, response with some dummy hard-coded. Similarly to this:

node/zetaclient/testutils/testrpc/rpc_evm.go

Line 28 in 840b6e7

s.On("eth_chainId", func(_ []any) (any, error) {