refactor(CSidebarNavDroprdown): add console.warn on undefined pathname

Author: xidedix

src/template/CSidebarNavDropdown.js

@@ -64,7 +64,9 @@ const CSidebarNavDropdown = props => {
   let path = ''
   try {
     path = useLocation().pathname
-  } catch (e) {}
+  } catch (e) {
+    console.warn(e)
+  }
 
   useEffect(() => {
     if (dropdownMode === 'close') {