src/vs/workbench/browser/parts/editor/noTabsTitleControl.ts/NoTabsTitleControl/openEditor
class NoTabsTitleControl:	openEditor(editor: IEditorInput): void {
		const activeEditorChanged = this.ifActiveEditorChanged(() => this.redraw());
		if (!activeEditorChanged) {
			this.ifActiveEditorPropertiesChanged(() => this.redraw());
		}
	}