add token timestamp

[cfaur09]

Reasoning

• For all fungible tokens, creation date field was not defined

Proposed Changes

• Fetch timestamp value from ES for every fungible token

How to test

• /tokens -> all tokens should have timestamp field defined
• /accounts/erd1awuuva7dhnlun9huwx7uefwpkhzjx9d3phenujgkv3zvx9tvsatsw420qt/tokens/UTK-2f80e9 -> returned token should have timestamp field defined
• /accounts/erd1kc3y0d3jhmv4j42lvyq84t395s7s47tucpw97grwgaj8dqlkzumsw97k34/roles/tokens -> returned token should have timestamp field defined
• /accounts/erd1kc3y0d3jhmv4j42lvyq84t395s7s47tucpw97grwgaj8dqlkzumsw97k34/roles/tokens/UTK-2f80e9 -> returned token should have timestamp field defined

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.15% ⚠️

Comparison is base (7fdecb9) 64.62% compared to head (4b63aa9) 64.48%.

Additional details and impacted files

@@               Coverage Diff               @@
##           development    #1120      +/-   ##
===============================================
- Coverage        64.62%   64.48%   -0.15%     
===============================================
  Files              579      579              
  Lines            15131    15133       +2     
  Branches          1569     1569              
===============================================
- Hits              9779     9759      -20     
- Misses            3982     4002      +20     
- Partials          1370     1372       +2     

Flag	Coverage Δ
integrationtests	64.35% <100.00%> (-0.15%)	⬇️
unittests	33.96% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
.../common/indexer/elastic/elastic.indexer.service.ts	61.31% <ø> (ø)
src/endpoints/esdt/esdt.service.ts	46.15% <ø> (ø)
src/endpoints/tokens/entities/token.properties.ts	100.00% <100.00%> (ø)

... and 4 files with indirect coverage changes

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