fix: Fix Map page

src/entities/navigation/ui/index.tsx

@@ -9,6 +9,7 @@ import ExpandLessIcon from "@mui/icons-material/ExpandLess";
 import ExpandMoreIcon from "@mui/icons-material/ExpandMore";
 import type { NavigationItem } from "../model";
 import { useNavigate, useLocation } from "react-router-dom";
+import { Plus } from "lucide-react";
 
 interface NavigationItemProps {
   item: NavigationItem;
@@ -58,7 +59,7 @@ export const NavigationItemComponent: React.FC<NavigationItemProps> = ({
                   justifyContent: "center",
                 },
             isNested && {
-              pl: 4,
+              pl: open ? 4 : 2.5,
             },
             isActive && {
               backgroundColor: "rgba(0, 0, 0, 0.08)",
@@ -84,7 +85,7 @@ export const NavigationItemComponent: React.FC<NavigationItemProps> = ({
                   },
             ]}
           >
-            <Icon />
+            {Icon ? <Icon /> : <Plus />}
           </ListItemIcon>
           <ListItemText
             primary={item.label}
@@ -108,7 +109,7 @@ export const NavigationItemComponent: React.FC<NavigationItemProps> = ({
         </ListItemButton>
       </ListItem>
       {item.nestedItems && (
-        <Collapse in={isExpanded && open} timeout="auto" unmountOnExit>
+        <Collapse in={isExpanded} timeout="auto" unmountOnExit>
           <List component="div" disablePadding>
             {item.nestedItems.map((nestedItem) => (
               <NavigationItemComponent