Read-only state store unnecessarily creates and deletes the temp file for delta file every batch

    /** Abort all the updates made on this store. This store will not be usable any more. */
    override def abort(): Unit = {
      // This if statement is to ensure that files are deleted only if there are changes to the
      // StateStore. We have two StateStores for each task, one which is used only for reading, and
      // the other used for read+write. We don't want the read-only to delete state files.
      if (state == UPDATING) {
        state = ABORTED
        cancelDeltaFile(compressedStream, deltaFileStream)
      } else {
        state = ABORTED
      }
      logInfo(s"Aborted version $newVersion for $this")
    }