Small fixes for integration processing scripts

[garrrikkotua]

Changes proposed ✍️

What

🤖 Generated by Copilot at 63dd1fe

Added a new script to onboard script integrations and a new field to fetch webhook IDs for integration streams. These changes enable the platform to support script integrations and trigger webhooks for integration events.
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🤖 Generated by Copilot at 63dd1fe

onboard-integration
A script for new webhooks
Spring of connections

Why

How

🤖 Generated by Copilot at 63dd1fe

• Add a script to onboard a new script integration (link)
• Include the webhookId field in the integration stream query (link)

Checklist ✅

• Label appropriately with Feature, Improvement, or Bug.
• Add screehshots to the PR description for relevant FE changes
• New backend functionality has been unit-tested.
• API documentation has been updated (if necessary) (see docs on API documentation).
• Quality standards are met.