[Derived Fields] PR4: Capability to define derived fields in search request

[rishabhmaurya]

Description

Adds following capability to derived fields -

1. Define derived fields in search request -
   There are 2 ways to add derived fields to search path - a) Programatically using a rest client (which makes use of DerivedField class and adding to it SearchSourceBuilder ) b) through http request, which relies on document parsing. Thus you will see logic for both in SearchSourceBuilder. Given, we don't have access to mapper service in these classes, its not possible to create a derived field mapper and type in SearchSourceBuilder, thus they are used and are created in SearchService and injected into QueryShardContext. Once available in QueryShardContext, these derived fields mappers from search request can be used in different phases of the query.
2. Support in fetch phase.
3. Support highlighting on derived fields.
4. Fixes the bug for geo_point related to geo shape query execution failure.
5. Add integration tests for all supported types for both single and multi-valued case.
6. Code refactor such as DerivedFieldValueFetcher now exposes 2 methods to fetch value - valueForDisplay (used by fetch and highlight phase) and value used by lucene memory index for querying purpose.

This PR is on top of - #12746, #12808, #12569, #12837

TODO

• add support in inner hits

Related Issues

Resolves #12508

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Failing checks are inspected and point to the corresponding known issue(s) (See: Troubleshooting Failing Builds)
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)
• Public documentation issue/PR created

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Compatibility status:

Checks if related components are compatible with change dd4ca2a

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Compatible components

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

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