Fix IoTConsensus reconstruction IT follower synchronization

[CRZbulabula]

Motivation

Ensure the IoTConsensus reconstruction IT waits until the follower has received the inserted data before deleting its TsFiles and exercising the reconstruction failure path. The follower is queried through a DataNode-pinned connection, and the tree-model timestamp column is accounted for when validating the two value columns.

Replace the unbounded while (true) polling loops with bounded Awaitility assertions (one-second polling and a one-minute timeout), assert that TsFile deletion succeeds, close temporary query result handles, and retain the reconstruction status check with its ten-minute bound.

Verification

• mvn spotless:apply -P with-integration-tests -pl integration-test
• mvn verify -DskipUTs -Dit.test=IoTDBRegionReconstructForIoTV1IT#normal1C3DTest -DfailIfNoTests=false -Dfailsafe.failIfNoSpecifiedTests=false -pl integration-test -am -PClusterIT -P with-integration-tests

The targeted IT passed with 1 test, 0 failures, and 0 errors.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 42.06%. Comparing base (a10bc6b) to head (b7976d3).

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #18536      +/-   ##
============================================
- Coverage     42.24%   42.06%   -0.18%     
  Complexity      413      413              
============================================
  Files          5409     5409              
  Lines        389925   389925              
  Branches      50970    50970              
============================================
- Hits         164721   164035     -686     
- Misses       225204   225890     +686     

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[sonarqubecloud]

Quality Gate failed

Failed conditions
C Reliability Rating on New Code (required ≥ A)

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