fix(web): center the context usage meter (#7296)

Author: StiensWout

apps/web/src/components/chat/ContextWindowMeter.tsx

@@ -50,7 +50,7 @@ export function ContextWindowMeter(props: {
             <span className="relative flex size-5 items-center justify-center">
               <svg
                 viewBox="0 0 24 24"
-                className="-rotate-90 absolute inset-0 size-full transform-gpu"
+                className="-rotate-90 absolute inset-0 size-full transform-gpu mx-0!"
                 aria-hidden="true"
               >
                 <circle