feat: Add redesigned ERC20 Approve confirmation and SpendingCap section

[pedronfigueiredo]

Description

Introduces support for ERC20 token transactions with the approve type. This includes a new spending cap section and bespoke logic in the "static simulation" section. Above a certain threshold, spending caps are represented as "Unlimited".

Related issues

Fixes: #2924

Manual testing steps

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Screenshots/Recordings

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