Fix strict mode on TUI. (#521)

Author: JoeZiminski

datashuttle/tui/shared/validate_content.py

@@ -142,7 +142,7 @@ def on_button_pressed(self, event: Button.Pressed) -> None:
             if self.interface:
 
                 if self.interface.project.is_local_project():
-                    include_central = True
+                    include_central = False
                 else:
                     include_central = self.query_one(
                         "#validate_include_central_checkbox"