fix: prevent provider error for public boards

apps/web/src/views/card/components/ActivityList.tsx

@@ -12,7 +12,6 @@ import {
 import type { GetCardByIdOutput } from "@kan/api/types";
 
 import Avatar from "~/components/Avatar";
-import { useWorkspace } from "~/providers/workspace";
 import Comment from "./Comment";
 
 type ActivityType =
@@ -141,13 +140,13 @@ const ActivityList = ({
   activities,
   cardPublicId,
   isLoading,
+  isAdmin,
 }: {
   activities: NonNullable<GetCardByIdOutput>["activities"];
   cardPublicId: string;
   isLoading: boolean;
+  isAdmin?: boolean;
 }) => {
-  const { workspace } = useWorkspace();
-
   return (
     <div className="flex flex-col space-y-4 pt-4">
       {activities.map((activity, index) => {
@@ -174,7 +173,7 @@ const ActivityList = ({
               comment={activity.comment?.comment}
               isEdited={!!activity.comment?.updatedAt}
               isAuthor={activity.comment?.createdBy === activity.user?.id}
-              isAdmin={workspace.role === "admin"}
+              isAdmin={isAdmin ?? false}
             />
           );