Electronic Structure model and builder fixes

[munrojm]

This PR contains:

• Electronic structure now properly populates magnetic ordering from each task's output structure
• Type hinting for MPIDs fixed in electronic structure model

[codecov-commenter]

Codecov Report

Merging #206 (ec08158) into main (ae3c8c8) will decrease coverage by 0.09%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##             main     #206      +/-   ##
==========================================
- Coverage   89.53%   89.43%   -0.10%     
==========================================
  Files          36       36              
  Lines        2484     2490       +6     
==========================================
+ Hits         2224     2227       +3     
- Misses        260      263       +3     

Impacted Files	Coverage Δ
emmet-core/emmet/core/xas.py	33.64% <ø> (ø)
...s/emmet/builders/materials/electronic_structure.py	64.70% <60.00%> (-0.54%)	⬇️
emmet-core/emmet/core/electrode.py	97.56% <100.00%> (ø)
emmet-core/emmet/core/electronic_structure.py	89.06% <100.00%> (ø)

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