src/vs/workbench/services/preferences/browser/keybindingsEditorModel.ts/KeybindingsEditorModel/getId
class KeybindingsEditorModel:	private static getId(keybindingItem: IKeybindingItem): string {
		return keybindingItem.command + (keybindingItem.keybinding ? keybindingItem.keybinding.getAriaLabel() : '') + keybindingItem.source + keybindingItem.when;
	}