boost deal --verified default true allows for easy mistakes

[ghost]

Checklist

• [X] This is not a question or a support request. If you have any boost related questions, please ask in the discussion forum.
• [X] This is not a new feature request. If it is, please file a feature request instead.
• [X] This is not an enhancement request. If it is, please file a improvement suggestion instead.
• [X] I have searched on the issue tracker and the discussion forum, and there is no existing related issue or discussion.
• [X] I am running the Latest release, or the most recent RC(release canadiate) for the upcoming release or the dev branch(master), or have an issue updating to any of these.
• [X] I did not make any code changes to boost.

Boost component

• [ ] boost daemon - storage providers
• [X] boost client
• [ ] boost UI
• [ ] boost data-transfer
• [ ] boost index-provider
• [ ] Other

Boost Version

latest

Describe the Bug

--verified defaults to true

this leads to --verified false defaulting to true too. one needs to explicitly write --verified=false to not send accidently verified deals

please think about having the --verified flag default to false.

(this is a known problem with ufav client)

Logging Information

not needed

Repo Steps

1. Run '...'
2. Do '...'
3. See error '...' ...