IDEA-383440 Identify data services entities and mark them

[akerimsenol]

Note

Introduces a new DataServices sync phase and a finalizer data service that tags entities created by data services, with plugin registration and regenerated workspace metadata.

• Gradle Sync:
  • Add GradleSyncPhase.DataServices and DATA_SERVICES_PHASE; update comparison ordering.
• Bridge Services:
  • New GradleBridgeFinalizerData and GradleBridgeFinalizerDataService to post-process and mark entities created by data services with DataServiceEntitySource.
  • GradleBridgeProjectDataService: store pre-data-services storage snapshot for later comparison when bridges are disabled.
• Plugin Registration:
  • Register GradleBridgeFinalizerDataService in plugin.xml.
• Workspace Metadata:
  • Regenerate MetadataStorageImpl to include new DataServiceEntitySource, phases, and updated metadata hashes.

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[akerimsenol]

Added a new test case to GradlePhasedSyncTest and adjusted an existing case.