e2e tests: test debonding entries from genesis

[pro-wh]

Here's an e2e test scenario that exercises debonding delegation records from the genesis document.

[codecov]

Codecov Report

Merging #2747 into master will increase coverage by 0.08%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2747      +/-   ##
==========================================
+ Coverage   62.74%   62.82%   +0.08%     
==========================================
  Files         384      384              
  Lines       36258    36258              
==========================================
+ Hits        22749    22779      +30     
+ Misses      10616    10585      -31     
- Partials     2893     2894       +1

Impacted Files	Coverage Δ
go/worker/common/p2p/p2p.go	64.86% <0%> (-6.31%)	⬇️
go/storage/client/client.go	75.63% <0%> (-0.85%)	⬇️
go/runtime/client/client.go	66.28% <0%> (-0.77%)	⬇️
...consensus/tendermint/apps/registry/transactions.go	48.76% <0%> (-0.55%)	⬇️
go/worker/registration/worker.go	66.34% <0%> (-0.49%)	⬇️
go/worker/compute/txnscheduler/committee/node.go	62.03% <0%> (-0.31%)	⬇️
go/storage/database/database.go	76.31% <0%> (ø)	⬆️
go/worker/compute/merge/committee/node.go	75.87% <0%> (+0.49%)	⬆️
go/consensus/tendermint/tendermint.go	67.9% <0%> (+0.96%)	⬆️
go/worker/common/committee/group.go	80.98% <0%> (+1.31%)	⬆️
... and 8 more

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[pro-wh]

Reviewers please review

[ptrus]

i'm no code-owner but lgtm

[kostko]

Also make sure to revert #2672.

[pro-wh]

@kostko after this PR I'll close #2727 and open a new PR for removing #2672 stuff

[pro-wh]

#2753 for reverting that