QA: use the actual button label from SP & drop backports

Author: LEGIO-SEXTA-FERRATA

content/en/docs/refguide/modeling/pages/structure-widgets/layout-grid.md

@@ -185,7 +185,7 @@ In adding to inserting a new row, you can perform the following actions when rig
 
 * **Move up** – moves a row up in the layout grid, you can use a shortcut for it  <kbd>Ctrl</kbd> + <kbd>↑</kbd> 
 * **Move down** – moves a row down in the layout grid, you can use a shortcut for it  <kbd>Ctrl</kbd> + <kbd>↓</kbd> 
-* **Extract to separate layout grid** – extracts the right-clicked row into a new, separate layout grid
+* **Extract to new grid** – extracts the right-clicked row into a new, separate layout grid
 
 ### Performing Other Actions on Columns