Issue 644

[qinzzz]

This PR fixes issue #644.

Description of changes

Change the type_id in data_list representation of DataStore from integer to string of the fully qualified type name.

Possible influences of this PR.

Describe what are the possible side-effects of the code change.

Test Conducted

Passed all original tests of DataStore.

[hunterhector]

let's also use a more self-explanatory title in additional to the issue number

[hunterhector]

overall looks fine, some small glitches

[codecov]

Codecov Report

Merging #645 (97876e4) into master (10cbdc7) will decrease coverage by 0.00%.
The diff coverage is 79.31%.

@@            Coverage Diff             @@
##           master     #645      +/-   ##
==========================================
- Coverage   80.77%   80.77%   -0.01%     
==========================================
  Files         240      240              
  Lines       17153    17152       -1     
==========================================
- Hits        13856    13855       -1     
  Misses       3297     3297              

Impacted Files	Coverage Δ
forte/data/ontology/core.py	84.06% <ø> (ø)
forte/processors/ir/bert_based_query_creator.py	86.20% <ø> (ø)
forte/processors/nlp/ner_predictor.py	17.12% <ø> (ø)
forte/data/data_store.py	73.49% <66.66%> (-0.32%)	⬇️
forte/data/base_store.py	70.73% <100.00%> (ø)
forte/data/converter/converter.py	95.78% <100.00%> (ø)
forte/data/data_pack.py	87.16% <100.00%> (ø)
forte/data/types.py	100.00% <100.00%> (ø)
tests/forte/data/data_store_test.py	98.07% <100.00%> (-0.04%)	⬇️

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