Update coord conver

[JintaoWu98]

Modification in ARC/ipython/Tools/coordinates conversions.ipynb

1. Improved path of example for xyz_to_str
2. Replaced wrong zmat_to_xyz in conversions example
3. Added test_coordinates_converter_tools_notebook to converter

[codecov[bot]]

Codecov Report

Merging #692 (15dd158) into main (c4b41cc) will increase coverage by 0.01%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #692      +/-   ##
==========================================
+ Coverage   73.19%   73.20%   +0.01%     
==========================================
  Files          99       99              
  Lines       26533    26537       +4     
  Branches     5549     5549              
==========================================
+ Hits        19421    19427       +6     
+ Misses       5771     5770       -1     
+ Partials     1341     1340       -1     

Flag	Coverage Δ
unittests	73.20% <100.00%> (+0.01%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
arc/species/converter_test.py	99.24% <100.00%> (+<0.01%)	:arrow_up:

... and 1 file with indirect coverage changes

:mega: We’re building smart automated test selection to slash your CI/CD build times. Learn more

[alongd]

@JintaoWu98, the tests fail due to a mismatch of the very last digits in the coords, see here. Try to use this function for the comparison in the test.

[JintaoWu98]

@JintaoWu98, the tests fail due to a mismatch of the very last digits in the coords, see here. Try to use this function for the comparison in the test.

Got it! Thanks! I will try and fix it again.

[alongd]

@JintaoWu98, looking great, thanks!! Could you please squash the two last commit together, and also rebase this branch?