feat: regenerate in Chat, agent and Chatflow app (#7661)

web/hooks/use-app-favicon.ts

@@ -5,10 +5,10 @@ import type { AppIconType } from '@/types/app'
 
 type UseAppFaviconOptions = {
   enable?: boolean
-  icon_type?: AppIconType
+  icon_type?: AppIconType | null
   icon?: string
-  icon_background?: string
-  icon_url?: string
+  icon_background?: string | null
+  icon_url?: string | null
 }
 
 export function useAppFavicon(options: UseAppFaviconOptions) {