message: fix: Act on allowSentryBreadcrumbs when appropriate
  The included test, to check for a breadcrumb category starting with "sentry", was improperly written.
diff: @@ -43,7 +43,7 @@ function initSDK() {
  // One of the tests use manually created breadcrumb without eventId and we want to let it through
  if (
  - breadcrumb.category.indexOf("sentry" === 0) &&
  + breadcrumb.category.indexOf("sentry") === 0 &&
  breadcrumb.event_id &&
  !window.allowSentryBreadcrumbs
  ) {
  