Change Tag input to expect and sanitize comma separated string
Change Tag input to expect and sanitize comma separated string

cortex-cms/cortex-plugins-core,cortex-cms/cortex-field_types-core,cortex-cms/cortex-plugins-core,cortex-cms/cortex-plugins-core,cortex-cms/cortex-field_types-core,cortex-cms/cortex-field_types-core