feat: add max Input modal component

[amitabh94]

Description

This PR renders the max input modal component when the user clicks on the max button on the stake input screen. This is aslo responsible for subtracting the gas fees from the available balance before letting the user continue to the deposit flow.

Related issues

Fixes:

Manual testing steps

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Screenshots/Recordings

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• I’ve followed MetaMask Contributor Docs and MetaMask Mobile Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
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Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

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