Handling Edge Cases for RPC inconsistencies

[farhanW3]

PR-Codex overview

This PR introduces configuration changes related to contract subscriptions, including requery delays.

Detailed summary

• Added contractSubscriptionConfigurationSchema in sharedApiSchemas.ts
• Updated Config interface in config.ts to include contractSubscriptionsRequeryDelaySeconds
• Modified worker tasks in chainIndexer.ts and queues in processEventLogsQueue.ts and processTransactionReceiptsQueue.ts to use contractSubscriptionsRequeryDelaySeconds
• Updated cache retrieval in getConfig.ts to use Config interface
• Updated response schema in routes for contract subscriptions configuration in get.ts and update.ts

The following files were skipped due to too many changes: src/server/routes/configuration/contract-subscriptions/update.ts

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