Don't skip the first namespace for controller paths

[elia]

• Fixup to https://github.com/solidusio/solidus_support/pull/78
• Fixes https://github.com/solidusio/solidus_support/issues/79

Summary

Autoload paths are meant to list autoload roots and not the first level of the namespace.

E.g. having the following controller in lib/controllers/solidus_foo:

lib/controllers/solidus_foo/spree/my_controller.rb

The autoload will be triggered by a constant reference to Spree::MyController targeting spree/my_controller.rb inside lib/controllers/solidus_foo/. This means the autoload path needs to be lib/controllers/solidus_foo/.

See also https://edgeguides.rubyonrails.org/classic_to_zeitwerk_howto.html#globs-in-config-autoload-paths

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[elia]

@DanielePalombo @mamhoff can you confirm if fixes the issue for your projects?

[kennyadsl]

Released in 0.9.3