* e2e: remove more eth related stuff, update cypress
* BE: e2e endpoints and interceptions for emails and blockchain reqs
* e2e: expand browse test for proposals and comments
* e2e: remove old tests, add new ones
* e2e: intercept blockchain_get /contribution/addresses
* be: disable sentry for e2e, add DEBUG to e2e endpoint register conditional
* post-merge adjustments
* fix merge related bug
* post merge issue