fix(fluxFunctions): fix typo in lastIndex (#18617)
fix(fluxFunctions): fix typo in lastIndex (#18617)


influxdb/influxdb,nooproblem/influxdb,nooproblem/influxdb,influxdb/influxdb,influxdb/influxdb,influxdata/influxdb,influxdata/influxdb,nooproblem/influxdb,influxdb/influxdb,influxdb/influxdb,nooproblem/influxdb,nooproblem/influxdb,influxdb/influxdb,li-ang/influxdb,li-ang/influxdb