fix: remove beta badge from grid flow (#217)

The v4 beta badge in the header was adding width to the menu and causing the main content area to be slightly misaligned. This removes the badge from the layout flow with absolute positioning.

src/components/section-switch/section-switch.scss

@@ -116,9 +116,12 @@
   letter-spacing: 0.01em;
   padding: 1px 5px;
   font-size: 10px;
-  margin-left: 13px;
   border-radius: 4px;
   font-weight: 600;
+  position: absolute;
+  left: 100%;
+  z-index: 1;
+  white-space: nowrap;
 
   @media (max-width: $breakpoint-md) {
     padding: 3px 5px;