Normalize all CMS plugin translation keys from two inconsistent prefixes ( bitbag.ui.cms plugin. and…

Normalize all CMS plugin translation keys from two inconsistent prefixes ( bitbag.ui.cms plugin. and…: a task in bird-critic-1.5-full-300 (Harbor dataset). Replace all bitbag.cms plugin. message keys with bitbag.cms. in Block.yml , Page.yml , and PageTranslation.yml . Also add a slug.not blank…

The task

Replace all `bitbag.cms_plugin.*` message keys with `bitbag.cms.*` in `Block.yml`, `Page.yml`, and `PageTranslation.yml`. Also add a `slug.not_blank` entry to `PageTranslation.yml` (`bitbag.cms.page.slug.not_blank`).

Part of kochsnow/bird-critic-1.5-full-300.