src/vs/workbench/contrib/preferences/browser/keybindingsEditor.ts/KeybindingsEditor/setInput
class KeybindingsEditor:	override setInput(input: KeybindingsEditorInput, options: IEditorOptions | undefined, context: IEditorOpenContext, token: CancellationToken): Promise<void> {
		this.keybindingsEditorContextKey.set(true);
		return super.setInput(input, options, context, token)
			.then(() => this.render(!!(options && options.preserveFocus)));
	}