[Console] Fixed verbose option when passing verbosity level as option value
feature #8835 [Console] Fixed verbose option when passing verbosity level as option value (deguif)

This PR was squashed before being merged into the master branch (closes #8835).

Discussion
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[Console] Fixed verbose option when passing verbosity level as option value

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| License       | MIT

Currently passing a verbosity level to verbose option on console doesn't work unless using the shotcuts _-v_, _-vv_, _-vvv_.

This also fix _accept_value_ in the xml generated by __console help --xml__ for people using the xml output ;)

Commits
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a28eb8b [Console] Fixed verbose option when passing verbosity level as option value