Fix InitFromSamples under transformations

[oschulz]

This works properly now:

using BAT

posterior = BAT.example_posterior()
smpls = bat_sample(posterior, MCMCSampling()).result

new_smpls = bat_sample(
    posterior,
    MCMCSampling(
        init = MCMCChainPoolInit(
            initval_alg = InitFromSamples(smpls)
        )
    )
).result

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 52.79%. Comparing base (6022828) to head (507638a).
Report is 42 commits behind head on main.

Files with missing lines	Patch %	Lines
src/initvals/initvals.jl	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #461      +/-   ##
==========================================
+ Coverage   47.38%   52.79%   +5.41%     
==========================================
  Files         112      124      +12     
  Lines        5422     6571    +1149     
==========================================
+ Hits         2569     3469     +900     
- Misses       2853     3102     +249     

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[oschulz]

Will be a patch release on the release branch.