Fix missing segment ids in the conversation service

[garrrikkotua]

Changes proposed ✍️

What

🤖 Generated by Copilot at 2d0c86d

Added support for segmenting conversations by source in the data sink worker and the conversations library. This involved adding a segmentId parameter or filter to various methods and classes that deal with conversation data, and updating the database schema to store the segmentId of each conversation.
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🤖 Generated by Copilot at 2d0c86d

To group conversations by source
We added a segmentId course
We passed it around
To methods we found
In ConversationService and Repository of course

Why

How

🤖 Generated by Copilot at 2d0c86d

• Add segmentId parameter to ConversationService methods to support segmenting conversations by source (link, link, link, link, link, link, link, link, link, link, link, link, link, link, link)
• Update ConversationRepository methods to filter queries by segmentId and include segmentId column in insertions and updates (link, link, link, link, link, link, link, link, link, link, link, link, link)
• Update ConversationData class to include segmentId column in insertConversationColumnSet value (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.