🙌 a11y: Accessibility Improvements (#4978)

* 🔃 fix: Safeguard against null token in SSE refresh token handling

* 🔃 fix: Update import path for AnnounceOptions in LiveAnnouncer component

* 🔃 a11y: Add aria-live attribute for accessibility in error messages

* fix: prevent double screen reader notification for toast

* 🔃 a11y: Enhance accessibility for main menus and buttons with ARIA roles and labels

* refactor: better alt text for logo on login page #4095

* refactor: remove unused import for DropdownNoState in Voices component

* fix: Focus management issue in the Export Options Modal #4100

client/src/components/ui/Toast.tsx

@@ -26,7 +26,6 @@ export default function Toast() {
           className={`alert-root pointer-events-auto inline-flex flex-row gap-2 rounded-md border px-3 py-2 text-white ${
             severityClassName[toast.severity]
           }`}
-          role="alert"
         >
           {toast.showIcon && (
             <div className="mt-1 flex-shrink-0 flex-grow-0">