Fix Modules::controller_exists() when controller file is named ucfirst()
Fix Modules::controller_exists() when controller file is named ucfirst()

kelaskakap/cms-api-unggun,PeterRock/Ci-Bonfire3,kelaskakap/cms-api-unggun,PeterRock/Ci-Bonfire3,PeterRock/Ci-Bonfire3,kelaskakap/cms-api-unggun