Correct menu instructions to open application-browser in Monteverdi

Summary

There is an error in Monteverdi's documentation: to open OTB-Application browser, one needs to click View/OTB-Applications browser, and not File.

Implementation Details

Documentation

Edit CookBook page about Monteverdi.

Copyright

The copyright owner is CNES and has signed the ORFEO ToolBox Contributor License Agreement.

Check before merging:

• All discussions are resolved
• At least 2 votes from core developers, no vote.
• The feature branch is (reasonably) up-to-date with the base branch
• Dashboard is green
• Copyright owner has signed the ORFEO ToolBox Contributor License Agreement
• Optionally, run git diff develop... -U0 --no-color | clang-format-diff.py -p1 -i on latest changes and commit