Fix remove ingest processor handing ignore_missing parameter not correctly

[gaobinlong]

Description

Remove ingest processor does not handle ignore_missing parameter correctly, when the resolved filed path of template snippet like {{field}} is empty string and ignore_missing is true, the processor does not exit quietly, but throw an illegal_argument_exception, this should be a bug.

The main change of this PR:

1. Fix the bug
2. Add some yml test and unit test

Related Issues

#10066

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/25757/
• CommitID: 6609905
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Compatibility status:

Checks if related components are compatible with change 2042c87

Incompatible components

Incompatible components: [https://github.com/opensearch-project/k-nn.git]

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/custom-codecs.git, https://github.com/opensearch-project/performance-analyzer.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/opensearch-oci-object-storage.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/neural-search.git]

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/25790/
• CommitID: 18940b5
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/25829/
• CommitID: eaa9366
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/26120/
• CommitID: 2ef6638
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/26171/
• CommitID: cebeb23
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.remotestore.RemoteStoreStatsIT.testStatsOnRemoteStoreRestore

• URL: https://build.ci.opensearch.org/job/gradle-check/26192/
• CommitID: 2042c87
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Merging #10089 (2042c87) into main (1dde018) will decrease coverage by 0.20%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main   #10089      +/-   ##
============================================
- Coverage     71.22%   71.02%   -0.20%     
+ Complexity    58240    58138     -102     
============================================
  Files          4828     4828              
  Lines        274419   274423       +4     
  Branches      39989    39991       +2     
============================================
- Hits         195443   194905     -538     
- Misses        62574    63195     +621     
+ Partials      16402    16323      -79     

Files Changed	Coverage Δ
.../org/opensearch/ingest/common/RemoveProcessor.java	96.96% <100.00%> (+7.31%)	⬆️

... and 454 files with indirect coverage changes