tests: fix state proof e2e test failures

[algorandskiy]

Summary

Fix test failures after merging #5663
The TestStateProofMessageCommitmentVerification reset a global var config.Consensus and TestStateProofRecovery was not able to find its consensus there.

Test Plan

Tests passed locally

% export NODEBINDIR=~/go/bin
% export TESTDATADIR=`pwd`/test/testdata
% export TESTDIR=/tmp
% make
% go test ./test/e2e-go/features/stateproofs -run '(TestStateProofMessageCommitmentVerification)|(TestStateProofRecovery)$'

[codecov]

Codecov Report

Attention: 11 lines in your changes are missing coverage. Please review.

Comparison is base (89a1930) 55.82% compared to head (af5edbf) 55.78%.
Report is 1 commits behind head on master.

Files	Patch %	Lines
crypto/curve25519.go	33.33%	4 Missing and 4 partials ⚠️
config/consensus.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5839      +/-   ##
==========================================
- Coverage   55.82%   55.78%   -0.05%     
==========================================
  Files         477      477              
  Lines       67238    67256      +18     
==========================================
- Hits        37536    37517      -19     
- Misses      27166    27195      +29     
- Partials     2536     2544       +8     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.