Rethrow exception in writeData()

[noCharger]

Description

Rethrow exception in writeData() so that this can be recorded at top level

      try {
        dataToWrite.foreach(df => writeDataFrameToOpensearch(df, resultIndex, osClient))
      } catch {
        case t: Throwable =>
          throwableHandler.recordThrowable(
            s"Failed to write to result index. originalError='${throwableHandler.error}'",
            t)
      }

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