Extract SetPreSignatureDecoder to its own module

[fmrsabino]

Summary

The SetPreSignatureDecoder can be seen as a utility class that can be used across multiple modules (e.g. can be used outside of the context of the transaction routes).

This is part of an effort to have more specialised modules (and smaller ones) which allows for a more modularised app.

Changes

• Adds a new module – SetPreSignatureDecoderModule
• SetPreSignatureDecoder is now available via the new module.

[coveralls]

Pull Request Test Coverage Report for Build 8757289424

Details

• 4 of 4 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.04%) to 92.986%

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Totals
Change from base Build 8755366375:	0.04%
Covered Lines:	6884
Relevant Lines:	7153

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💛 - Coveralls