fix(shell): prevent horizontal overflow scroll COMPASS-9418 (#6978)

Author: Anemy

packages/compass-shell/src/components/compass-shell/tab-compass-shell.tsx

@@ -30,7 +30,7 @@ const compassShellStyles = css(
     flexBasis: 'auto',
     position: 'relative',
     flexDirection: 'column',
-    width: '100vw',
+    width: '100%',
   },
   getScrollbarStyles(true /* Always show dark mode. */)
 );