Add Change Password view in wallet settings

[evavirseda]

Add a new "Change Password" view inside the wallet Settings menu to allow users to securely update their password

• Add entry in Settings: Change Password
• Create a screen:

1. Current password input
2. New password input
3. Confirm new password input
4. Checkbox to confirm user understands the change (required to enable submit button)
5. Basic validation for matching passwords and required fields

figma 👀