fix: remove 2 unused variables in FileViewer and TerminalWindow

- FileViewer.tsx: remove unused node parameter from code component
- TerminalWindow.tsx: remove unused handleMinimize function

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/ui/Desktop/Apps/File Manager/components/TerminalWindow.tsx

@@ -50,10 +50,6 @@ export function TerminalWindow({
     closeWindow(windowId);
   };
 
-  const handleMinimize = () => {
-    minimizeWindow(windowId);
-  };
-
   const handleMaximize = () => {
     maximizeWindow(windowId);
   };