feat: add a seed verification process a few words

[jinoosss]

What type of PR is this?

• feature

What this PR does:

This PR adds a verification step to the wallet creation flow that requires users to confirm their seed phrase by entering specific words from it. This ensures users have properly recorded their seed phrase before proceeding to wallet creation.

Changes

• Added a new step VALIDATE_MNEMONIC to the wallet creation flow
• Created a new component WebSeedValidateInputItem for seed word input validation
• Implemented ValidateMnemonicStep component to handle the verification process
• Updated the wallet creation flow to include the verification step between showing the seed phrase and creating the wallet

How it works

1. After viewing their seed phrase, users are presented with a verification screen
2. The system randomly selects two words from the seed phrase
3. Users must correctly enter these words to proceed
4. If incorrect words are entered, error states are shown
5. Only after successful verification can users proceed to wallet creation

Screenshots