Hotfix plotat change

[codecov[bot]]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (fcb46b2) 39.45% compared to head (6db81b1) 0.00%.

Files	Patch %	Lines
src/solutions/solution_interface.jl	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #579 +/- ## ========================================== - Coverage 39.45% 0.00% -39.46% ========================================== Files 53 53 Lines 4038 3966 -72 ========================================== - Hits 1593 0 -1593 - Misses 2445 3966 +1521 ```

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