refactor KefuChatShell component by removing unused host actions state and simplifying button rendering

web/components/kefu/chat-shell.tsx

@@ -75,7 +75,6 @@ export function KefuChatShell() {
   const [isMaximized, setIsMaximized] = useState(false)
   const [isCloseDialogOpen, setIsCloseDialogOpen] = useState(false)
   const [isClosingConversation, setIsClosingConversation] = useState(false)
-  const [showHostActions, setShowHostActions] = useState(false)
 
   const {
     title,
@@ -142,9 +141,6 @@ export function KefuChatShell() {
 
   useEffect(() => {
     return bindKefuHostBridge({
-      onInit: () => {
-        setShowHostActions(true)
-      },
       onOpen: () => {
         setIsOpen(true)
         setIsVisible(true)
@@ -265,7 +261,6 @@ export function KefuChatShell() {
                 >
                   <RotateCwIcon className="size-4" />
                 </Button>
-                {showHostActions ? (
                 <Button
                   type="button"
                   variant="outline"
@@ -277,8 +272,6 @@ export function KefuChatShell() {
                 >
                   <MinusIcon className="size-4" />
                 </Button>
-                ) : null}
-                {showHostActions ? (
                 <Button
                   type="button"
                   variant="outline"
@@ -294,7 +287,6 @@ export function KefuChatShell() {
                     <Maximize2Icon className="size-4" />
                   )}
                 </Button>
-                ) : null}
                 <Button
                   type="button"
                   variant="outline"