[php][php-nextgen] Apply baseName fix to php-nextgen and psr-18 templates#23360

wing328 merged 6 commits intoOpenAPITools:masterOpenAPITools/openapi-generator:masterfrom

ksvirkou-hubspot:feature/phpFixNamingFormDataProcessorksvirkou-hubspot/openapi-generator:feature/phpFixNamingFormDataProcessorCopy head branch name to clipboard