Backport PR #23955 on branch 6.x (PR: Update focused file for Run plugin after a Save as operation (Editor)) (#23956)

Author: meeseeksmachine

spyder/app/tests/test_mainwindow.py

@@ -4812,6 +4812,10 @@ def test_tour_message(main_window, qtbot):
     sys.version_info[:2] < (3, 10),
     reason="Too flaky in old Python versions"
 )
+@pytest.mark.skipif(
+    not running_in_ci_with_conda(),
+    reason="Too flaky with pip packages"
+)
 @pytest.mark.known_leak
 def test_update_outline(main_window, qtbot, tmpdir):
     """

spyder/plugins/editor/widgets/main_widget.py

@@ -2479,6 +2479,12 @@ def save_as(self):
             fname = editorstack.get_current_filename()
             self.__add_recent_file(fname)
 
+            # We need to call this directly because at least on Windows
+            # editorstack.editor_focus_changed is not emitted after saving the
+            # file (and it's not harmful to do it for other OSes).
+            # Fixes spyder-ide/spyder#23716
+            self.update_run_focus_file()
+
     @Slot()
     def save_copy_as(self):
         """Save *copy as* the currently edited file"""