TBF: Connect Ctrl-O shortcut to load_files in main window

Author: jitseniesen

Diff for: spyder/plugins/editor/widgets/main_widget.py

@@ -1627,7 +1627,7 @@ def register_editorstack(self, editorstack):
         editorstack.text_changed_at.connect(self.text_changed_at)
         editorstack.current_file_changed.connect(self.current_file_changed)
         editorstack.plugin_load.connect(self.load)
-        editorstack.plugin_load[()].connect(self.load)
+        editorstack.plugin_load[()].connect(self._plugin.main.load_files)
         editorstack.edit_goto.connect(self.load)
         editorstack.sig_save_as.connect(self.save_as)
         editorstack.sig_prev_edit_pos.connect(self.go_to_last_edit_location)