fix: unwrap all WETH on erc4626 withdraw

[halaprix]

Ticket URL

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Description of Changes

Please list the changes introduced by this PR:

• unwrap all eth in case it's a weth vault
• skip one return funds action if the vault depositi token and the returned tokens are eth - so they can be handled in one action

How to Test

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PR Definition of Done

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• PR title is clear and concise
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• Documentation has been updated if necessary

[halaprix]

[sc-14926]

[shortcut-integration]

This pull request has been linked to Shortcut Story #14926: [BUG] - ETH position - Cannot withdraw.