fix bad AT cloning bug

[berndbischl]

No description provided.

[codecov-io]

Codecov Report

Merging #223 into master will decrease coverage by 0.47%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #223      +/-   ##
==========================================
- Coverage   91.83%   91.35%   -0.48%     
==========================================
  Files          18       18              
  Lines         306      324      +18     
==========================================
+ Hits          281      296      +15     
- Misses         25       28       +3

Impacted Files	Coverage Δ
R/AutoTuner.R	98.03% <100%> (ø)	⬆️
R/TuningInstance.R	89.71% <0%> (-1.3%)	⬇️

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