Core rester method change

[munrojm]

get_document_by_id changed to to get_data_by_id for all clients.

[codecov-commenter]

Codecov Report

Merging #406 (7bcf6d4) into main (b07ff60) will increase coverage by 0.24%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #406      +/-   ##
==========================================
+ Coverage   92.43%   92.68%   +0.24%     
==========================================
  Files          61       61              
  Lines        2010     2010              
==========================================
+ Hits         1858     1863       +5     
+ Misses        152      147       -5     

Impacted Files	Coverage Δ
src/mp_api/client.py	96.64% <100.00%> (+1.34%)	⬆️
src/mp_api/core/client.py	91.41% <100.00%> (ø)
src/mp_api/routes/charge_density/client.py	100.00% <100.00%> (+10.00%)	⬆️
src/mp_api/routes/electronic_structure/client.py	87.85% <100.00%> (ø)
src/mp_api/routes/materials/client.py	86.79% <100.00%> (ø)

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