[HelpCommand] reset command definition if instance of self #9266
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Bug fix: yes
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
Todo: squash if accepted
License of the code: MIT
When running
php app/console help, it displays an extracommandargument at the beginning.It's because application definition is getting merged into help command (when running it the first time), then, when help command is retrieving "help", application returns the same object (with this extra argument).
Resetting command configuration in that special case removes the extra arg.