Load running jobs' xyz as dict from restart

[alongd]

Otherwise, ARC fails when it tries to compute dihedral angles after a restarted scan job has finished

[codecov[bot]]

Codecov Report

Merging #678 (26b13b1) into main (e7630b5) will increase coverage by 0.00%. The diff coverage is 0.00%.

@@           Coverage Diff           @@
##             main     #678   +/-   ##
=======================================
  Coverage   73.47%   73.47%           
=======================================
  Files          99       99           
  Lines       26477    26477           
  Branches     5540     5540           
=======================================
+ Hits        19453    19455    +2     
+ Misses       5660     5659    -1     
+ Partials     1364     1363    -1     

Flag	Coverage Δ
unittests	73.47% <0.00%> (+<0.01%)	:arrow_up:

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

Impacted Files	Coverage Δ
arc/job/adapter.py	40.50% <0.00%> (ø)

... and 1 file with indirect coverage changes

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