Feature Request: edit allowance in wails

[pivilartisant]

Context
In the context of the bridge, we want users to be able to edit token allowance during redeem approval. This extends to other dApps that use allowance function for tokens.

User flow
As a user, I want to be able to manually edit allowance and give dApps approval to move specific amounts of tokens from my balance.

I want a button that directly sets max allowance possible.

If the allowance that I entered is inferior to the amount, I want to see a warning telling this to me, but i still want to be able to sign if this is the case. NOTE: this one might not make sense in all cases, the need should be further checked.

Ideally the allowance displayed in wails is not a bigInt (better UX).

How to

• BE modifications (TBD)
• FE Modifications (TBD)

Technical details
Case: increaseAllowance fn for operation type Call SC

If the user sets an allowance < amount, burn should throw an error that can be caught and displayed in FE.