fix parquet token datas none data handling

[yuunlimm]

Description

The None data wasn't properly handled for TokenDataV2 model.

• updated parquet models to handle None values to have None, not the default String.

Test Plan

ran a processor for 10 mins with no issues.

[yuunlimm]

• fix parquet token datas none data handling #649 👈 (View in Graphite)
• main

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[codecov]

Codecov Report

Attention: Patch coverage is 32.63158% with 64 lines in your changes missing coverage. Please review.

Project coverage is 48.2%. Comparing base (c094090) to head (8fcb021).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...b/parquet/models/token_v2_models/v2_token_datas.rs	0.0%	15 Missing ⚠️
.../src/db/parquet/models/ans_models/ans_lookup_v2.rs	0.0%	12 Missing ⚠️
...b/parquet/models/ans_models/ans_primary_name_v2.rs	0.0%	12 Missing ⚠️
rust/processor/src/processors/ans_processor.rs	0.0%	7 Missing ⚠️
.../postgres/models/ans_models/ans_primary_name_v2.rs	50.0%	6 Missing ⚠️
...arquet/models/token_v2_models/v2_token_metadata.rs	0.0%	4 Missing ⚠️
...eps/parquet_ans_processor/parquet_ans_extractor.rs	0.0%	4 Missing ⚠️
...set_models/parquet_v2_fungible_asset_activities.rs	0.0%	2 Missing ⚠️
rust/processor/src/processors/default_processor.rs	0.0%	1 Missing ⚠️
...uet_default_processor/parquet_default_extractor.rs	0.0%	1 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #649   +/-   ##
=====================================
  Coverage   48.2%   48.2%           
=====================================
  Files        229     229           
  Lines      27016   27015    -1     
=====================================
  Hits       13029   13029           
+ Misses     13987   13986    -1     

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