MC-2371: Implement full width layout for CMS pages

- Update translations for rename

Author: davemacaulay

app/code/Magento/PageBuilder/i18n/en_US.csv

@@ -265,6 +265,6 @@ Add,Add
 "Grid Size","Grid Size"
 "Grid size determines the maximum number of columns available.","Grid size determines the maximum number of columns available."
 "Select a value between 2 and","Select a value between 2 and"
-"CMS - Full Width","CMS - Full Width"
-"Category - Full Width","Category - Full Width"
-"Product - Full Width","Product - Full Width"
+"Page -- Full Width","Page -- Full Width"
+"Category -- Full Width","Category -- Full Width"
+"Product -- Full Width","Product -- Full Width"