Fix load of custom consensus - get protocol err

[scholtz]

Summary

This is follow up on

• https://github.com/algorand/indexer/pull/1327
• https://github.com/algorand/indexer/pull/1041

This PR related to

• https://github.com/algorand/conduit/pull/162
• https://github.com/algorand/go-algorand-sdk/pull/625

Currently there is the bug in indexer and conduit that prevents usage with custom consensus file.

Test Plan

We have built and we use the custom build of indexer and conduit made from this pull requests. -https://github.com/scholtz/AlgorandNodes/blob/main/docker/indexer/aramidmain/compose-indexer-fix.dockerfile

Docker images:

• https://hub.docker.com/r/scholtz2/aramid-indexer/tags
• https://hub.docker.com/r/scholtz2/aramid-conduit/tags