fix(insights): fix the regression that it didn't send events with instantsearch.insights() (#4519)
fix(insights): fix the regression that it didn't send events with instantsearch.insights() (#4519)

* fix(insights): fix the regression that it didn't send events with instantsearch.insights()

* remove unnecessary curly brace
algolia/instantsearch.js,algolia/instantsearch.js,algolia/instantsearch.js