fix: Bug in xyz strip coordinates transformation

[LuisFelipeCoelho]

This PR fixes two small bugs that I included in #1255.

[codecov]

Codecov Report

Merging #1265 (9a5b2fb) into main (4ceddf3) will increase coverage by 0.00%.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##             main    #1265   +/-   ##
=======================================
  Coverage   47.49%   47.50%           
=======================================
  Files         376      376           
  Lines       19811    19810    -1     
  Branches     9305     9305           
=======================================
  Hits         9410     9410           
+ Misses       4011     4010    -1     
  Partials     6390     6390           

Impacted Files	Coverage Δ
Core/include/Acts/Seeding/SeedFinderUtils.ipp	0.00% <0.00%> (ø)
Core/include/Acts/Seeding/Seedfinder.ipp	0.00% <0.00%> (ø)

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[robertlangenberg]

Thanks for fixing this. I think such bugs underlines the need for CI tests that run the ITk configuration

[LuisFelipeCoelho]

Thanks for fixing this. I think such bugs underlines the need for CI tests that run the ITk configuration

I will work on that