Ctrl+Alt+Tab seems impossible to bind on Windows (fixes #7050)

src/vs/workbench/browser/parts/editor/editor.contribution.ts

@@ -341,7 +341,7 @@ registry.registerWorkbenchAction(new SyncActionDescriptor(OpenPreviousEditorInGr
 		primary: KeyMod.WinCtrl | KeyCode.Tab
 	}
 }), 'Open Previous in Editor Group');
-registry.registerWorkbenchAction(new SyncActionDescriptor(ShowAllEditorsAction, ShowAllEditorsAction.ID, ShowAllEditorsAction.LABEL, { primary: KeyMod.CtrlCmd | KeyMod.Alt |  KeyCode.Tab }), 'View: Show All Editors', category);
+registry.registerWorkbenchAction(new SyncActionDescriptor(ShowAllEditorsAction, ShowAllEditorsAction.ID, ShowAllEditorsAction.LABEL, { primary: null, mac: { primary: KeyMod.CtrlCmd | KeyMod.Alt | KeyCode.Tab } }), 'View: Show All Editors', category);
 registry.registerWorkbenchAction(new SyncActionDescriptor(ShowEditorsInLeftGroupAction, ShowEditorsInLeftGroupAction.ID, ShowEditorsInLeftGroupAction.LABEL), 'View: Show Editors in Left Group', category);
 registry.registerWorkbenchAction(new SyncActionDescriptor(ShowEditorsInCenterGroupAction, ShowEditorsInCenterGroupAction.ID, ShowEditorsInCenterGroupAction.LABEL), 'View: Show Editors in Center Group', category);
 registry.registerWorkbenchAction(new SyncActionDescriptor(ShowEditorsInRightGroupAction, ShowEditorsInRightGroupAction.ID, ShowEditorsInRightGroupAction.LABEL), 'View: Show Editors in Left Group', category);