message: Changed visualization toggle shortcut to Ctrl+Space (https://github.com/enso-org/ide/pull/580)
  Original commit:
diff: @@ -1406,9 +1406,9 @@ impl application::shortcut::DefaultShortcutProvider for GraphEditor {
  use keyboard::Key;
  vec! [ Self::self_shortcut(shortcut::Action::press (&[Key::Character("n".into())]) , "add_node_at_cursor")
  , Self::self_shortcut(shortcut::Action::press (&[Key::Backspace]) , "remove_selected_nodes")
  - , Self::self_shortcut(shortcut::Action::press (&[Key::Character(" ".into())]) , "press_visualization_visibility")
  - , Self::self_shortcut(shortcut::Action::double_press (&[Key::Character(" ".into())]) , "double_press_visualization_visibility")
  - , Self::self_shortcut(shortcut::Action::release (&[Key::Character(" ".into())]) , "release_visualization_visibility")
  + , Self::self_shortcut(shortcut::Action::press (&[Key::Control,Key::Character(" ".into())]) , "press_visualization_visibility")
  + , Self::self_shortcut(shortcut::Action::double_press (&[Key::Control,Key::Character(" ".into())]) , "double_press_visualization_visibility")
  + , Self::self_shortcut(shortcut::Action::release (&[Key::Control,Key::Character(" ".into())]) , "release_visualization_visibility")
  , Self::self_shortcut(shortcut::Action::press (&[Key::Meta]) , "toggle_node_multi_select")
  , Self::self_shortcut(shortcut::Action::release (&[Key::Meta]) , "toggle_node_multi_select")
  , Self::self_shortcut(shortcut::Action::press (&[Key::Control]) , "toggle_node_multi_select")
  