PT-9186 - Register onStartDispatchSubscriber fixed: https://github.com/shopwareLabs/SwagImportExport/pull/25
PT-9186 - Register onStartDispatchSubscriber
fixed: https://github.com/shopwareLabs/SwagImportExport/pull/25

This is required to guarantee that the plugin's namespaces are always
available, which is important to avoid breaking plugins integrating with
SwagImportExport.

shopwareLabs/SwagImportExport,shopwareLabs/SwagImportExport,shopwareLabs/SwagImportExport