Fix insight menu zindex position overlap

Author: LanesGood

app/ChatPanel.tsx

@@ -59,7 +59,7 @@ function ChatPanel() {
   }, [width]);
 
   return (
-    <Flex minH="100%" maxH="100%" gridArea="chat" zIndex={1100} position="relative" bg="bg">
+    <Flex minH="100%" maxH="100%" gridArea="chat" zIndex={1000} position="relative" bg="bg">
       <Flex
         minH="100%"
         maxH="100%"