fix: restore width: 100% for grid with all rows visible (#10687) (#10690)

Co-authored-by: Serhii Kulykov <iamkulykov@gmail.com>

Author: vaadin-bot

packages/grid/src/styles/vaadin-grid-base-styles.js

@@ -54,6 +54,7 @@ export const gridStyles = css`
     min-height: auto;
     flex-grow: 0;
     flex-shrink: 0;
+    width: 100%;
   }
 
   #scroller {