Merge pull request #30384 from mantidproject/non-errorbar-enabled

Only enable errorbar tab if data contains errors

qt/python/mantidqt/widgets/plotconfigdialog/curvestabwidget/presenter.py

@@ -420,3 +420,4 @@ class CurvesTabWidgetPresenter:
             self.view.enable_curve_config(False)
         else:
             self.view.enable_curve_config(True)
+            self.set_errorbars_tab_enabled()