IGNITE-28050 Use MessageSerializer for continuous routine start messages

[shishkovilja]

1. StartRoutineDiscoveryMessageV2 was renamed to StartRoutineDiscoveryImmutableMessage
2. StartRequestDataV2 was removed. Both StartRoutineDiscoveryMessage and StartRoutineDiscoveryImmutableMessage use the StartRequestData.
3. CachePartitionPartialCountersMap#toCountersMap was refactored, because initial counters are not processed in continuous query routines.
4. IncompleteDeserializationException removed - it was necessary only for CQ, but now it is redundant.

[github-actions]

Possible compatibility issues. Please, check rolling upgrade cases

This PR modifies protected classes (with Order annotation).
Changes to these classes can break rolling upgrade compatibility.

Affected files:

• modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/preloader/CachePartitionPartialCountersMap.java
• modules/core/src/main/java/org/apache/ignite/internal/processors/continuous/AbstractContinuousMessage.java
• modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/messages/TcpDiscoveryCustomEventMessage.java

[sonarqubecloud]

Quality Gate failed

Failed conditions
15 New Code Smells (required ≤ 1)

See analysis details on SonarQube Cloud

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