fix build warnings from tailwind, fonts, and fast refresh (#24359)

fix duplicated styles, move fonts to src/assets/fonts for vite to bundle (nginx already rewrites correctly), and fix fast refresh for PreviewController, auth context/provider, and statusbar context

web/src/context/statusbar-context.ts

@@ -0,0 +1,28 @@
+import { createContext } from "react";
+
+export type StatusMessage = {
+  id: string;
+  text: string;
+  color?: string;
+  link?: string;
+};
+
+export type StatusMessagesState = {
+  [key: string]: StatusMessage[];
+};
+
+type StatusBarMessagesContextValue = {
+  messages: StatusMessagesState;
+  addMessage: (
+    key: string,
+    message: string,
+    color?: string,
+    messageId?: string,
+    link?: string,
+  ) => string | undefined;
+  removeMessage: (key: string, messageId: string) => void;
+  clearMessages: (key: string) => void;
+};
+
+export const StatusBarMessagesContext =
+  createContext<StatusBarMessagesContextValue | null>(null);