FileChooser cleanup

core/src/mindustry/ui/dialogs/FileChooser.java

@@ -20,8 +20,8 @@ public class FileChooser extends BaseDialog{
     private static final Fi homeDirectory = Core.files.absolute(Core.files.getExternalStoragePath());
     static Fi lastDirectory = Core.files.absolute(Core.settings.getString("lastDirectory", homeDirectory.absolutePath()));
 
-    private Table files;
     Fi directory = lastDirectory;
+    private Table files;
     private ScrollPane pane;
     private TextField navigation, filefield;
     private TextButton ok;
@@ -37,6 +37,10 @@ public class FileChooser extends BaseDialog{
         this.filter = filter;
         this.selectListener = result;
 
+        if(!lastDirectory.exists()){
+            lastDirectory = homeDirectory;
+        }
+
         onResize(() -> {
             cont.clear();
             setupWidgets();