Use "poolData" instead of "namespace" in fftokens

[awrichar]

Depends on:
hyperledger/firefly-tokens-erc1155#84
hyperledger/firefly-tokens-erc20-erc721#70

[codecov-commenter]

Codecov Report

Merging #913 (245296d) into main (e78a05c) will increase coverage by 0.16%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #913      +/-   ##
==========================================
+ Coverage   99.82%   99.98%   +0.16%     
==========================================
  Files         299      299              
  Lines       19527    19487      -40     
==========================================
- Hits        19492    19484       -8     
+ Misses         31        3      -28     
+ Partials        4        0       -4     

Impacted Files	Coverage Δ
internal/events/token_pool_created.go	100.00% <100.00%> (ø)
internal/events/tokens_approved.go	100.00% <100.00%> (ø)
internal/events/tokens_transferred.go	100.00% <100.00%> (ø)
internal/orchestrator/orchestrator.go	100.00% <100.00%> (ø)
internal/tokens/fftokens/fftokens.go	100.00% <100.00%> (+0.42%)	⬆️
internal/operations/operation_updater.go	100.00% <0.00%> (+16.75%)	⬆️

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