Update materials and summary hints on composition_reduced

[munrojm]

Update composition_reduced queries to use a wildcard index.

[codecov-commenter]

Codecov Report

Merging #513 (1b1af2f) into main (50b8d8c) will decrease coverage by 0.00%.
The diff coverage is 71.42%.

@@            Coverage Diff             @@
##             main     #513      +/-   ##
==========================================
- Coverage   97.54%   97.54%   -0.01%     
==========================================
  Files         116      116              
  Lines       24120    24126       +6     
==========================================
+ Hits        23529    23533       +4     
- Misses        591      593       +2     

Impacted Files	Coverage Δ
...mmet-api/emmet/api/routes/materials/hint_scheme.py	77.77% <66.66%> (-5.56%)	⬇️
emmet-api/emmet/api/routes/summary/hint_scheme.py	81.81% <75.00%> (-5.69%)	⬇️

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