[To dev/1.3] Pipe: Fixed the issue where partial writing caused the measurement to be null and caused the memory estimator to throw NPE (#14391) (#14488)

Co-authored-by: Tian Jiang <[email protected]>

Author: luoluoyuyu

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/resource/memory/InsertNodeMemoryEstimator.java

@@ -708,6 +708,9 @@ private static long sizeOfColumns(
         RamUsageEstimator.alignObjectSize(
             NUM_BYTES_ARRAY_HEADER + NUM_BYTES_OBJECT_REF * columns.length);
     for (int i = 0; i < columns.length; i++) {
+      if (measurementSchemas[i] == null || measurementSchemas[i].getType() == null) {
+        continue;
+      }
       switch (measurementSchemas[i].getType()) {
         case INT64:
         case TIMESTAMP: