feat(whale-api): add commission fee on best path

[pierregee]

What this PR does / why we need it:

• To further improve the estimation of return, this PR would deduct the commission fees as part of the computation Deduct Commission fees first, then DEX fees

Which issue(s) does this PR fixes?:

Fixes #

Additional comments?:

• This PR based the computation here -- commission fees are deducted first before the DEX fees
• Added commission fees to the following to test commission in multiple hops (compounding)

graph TD;
    I---J;
    J---|commission:0.10| L
    J---|commission:0.25| K
    L---K;
    L---|commission:0.50| M*
    M*---N*;

[qlty-cloud-legacy[bot]]

Code Climate has analyzed commit ec89f88b and detected 0 issues on this pull request.

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[codecov[bot]]

Codecov Report

Base: 93.16% // Head: 93.78% // Increases project coverage by +0.61% :tada:

Coverage data is based on head (ec89f88) compared to base (467b7c5). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1732      +/-   ##
==========================================
+ Coverage   93.16%   93.78%   +0.61%     
==========================================
  Files         361      361              
  Lines       10437    10439       +2     
  Branches     1306     1306              
==========================================
+ Hits         9724     9790      +66     
+ Misses        686      621      -65     
- Partials       27       28       +1     

Impacted Files	Coverage Δ
packages/whale-api-client/src/api/poolpairs.ts	100.00% <ø> (ø)
...api/src/module.api/poolswap.pathfinding.service.ts	94.07% <100.00%> (-2.92%)	:arrow_down:
...hale-api/src/module.api/poolpair.prices.service.ts	82.97% <0.00%> (-12.77%)	:arrow_down:
...transaction-builder/src/txn/txn_builder_oracles.ts	87.50% <0.00%> (-12.50%)	:arrow_down:
...h-transaction-builder/src/txn/txn_builder_loans.ts	94.28% <0.00%> (-5.72%)	:arrow_down:
...ps/whale-api/src/module.api/poolpair.controller.ts	93.68% <0.00%> (-4.22%)	:arrow_down:
...whale-api/src/module.indexer/rpc.block.provider.ts	89.28% <0.00%> (-2.39%)	:arrow_down:
packages/jellyfish-api-jsonrpc/src/index.ts	97.67% <0.00%> (-2.33%)	:arrow_down:
...ckages/jellyfish-transaction/src/script/mapping.ts	96.73% <0.00%> (-1.31%)	:arrow_down:
... and 16 more

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[thedoublejay]

@fuxingloh @canonbrother Need your review on this 🙏

[fuxingloh]

Looks like there are breaking tests that should be fixed.