Reset discovery nodes in all transport node actions request.

[SwethaGuptha]

Description

Continuation to #14749, we don't required discovery nodes information in most of the transport actions extending TransportNodesActions, hence un-setting the discovery nodes object for such action before sending transport request to individual nodes this will prevent unnecessary serialization/deserialization of the discovery nodes object.

Related Issues

Resolves #[Issue number to be closed when this PR is merged]
#14713

Check List

• Functionality includes testing.
• API changes companion pull request created, if applicable.
• Public documentation issue/PR created, if applicable.

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[github-actions]

❌ Gradle check result for 596132b: FAILURE

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 result for 37f1988: FAILURE

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 result for 7a53b7a: SUCCESS

[github-actions]

✅ Gradle check result for 64ca9ba: SUCCESS

[codecov]

Codecov Report

Attention: Patch coverage is 60.71429% with 11 lines in your changes missing coverage. Please review.

Project coverage is 71.85%. Comparing base (a608fca) to head (e67c726).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
...ices/dangling/list/ListDanglingIndicesRequest.java	0.00%	2 Missing ⚠️
...luster/node/hotthreads/NodesHotThreadsRequest.java	0.00%	1 Missing ⚠️
...on/admin/cluster/node/usage/NodesUsageRequest.java	0.00%	1 Missing ⚠️
...napshots/status/TransportNodesSnapshotsStatus.java	0.00%	1 Missing ⚠️
...ndices/dangling/find/FindDanglingIndexRequest.java	0.00%	1 Missing ⚠️
...rch/action/support/nodes/TransportNodesAction.java	66.66%	0 Missing and 1 partial ⚠️
...ch/gateway/TransportNodesListGatewayMetaState.java	0.00%	1 Missing ⚠️
...y/TransportNodesListGatewayStartedShardsBatch.java	0.00%	1 Missing ⚠️
...es/store/TransportNodesListShardStoreMetadata.java	0.00%	1 Missing ⚠️
...ore/TransportNodesListShardStoreMetadataBatch.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #15131      +/-   ##
============================================
- Coverage     71.96%   71.85%   -0.11%     
+ Complexity    64171    64100      -71     
============================================
  Files          5269     5269              
  Lines        299834   299835       +1     
  Branches      43330    43330              
============================================
- Hits         215769   215454     -315     
- Misses        66344    66629     +285     
- Partials      17721    17752      +31     

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