Fix discord error handling

[garrrikkotua]

Changes proposed ✍️

What

🤖 Generated by Copilot at fe418f7

This pull request improves the error handling logic for the Discord integration module. It extracts a common function to handle and log Discord errors and applies it to the getMembers and getMessages functions. It also simplifies the function signatures and the try-catch structures in these files.
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🤖 Generated by Copilot at fe418f7

getMembers, getMessages
Refactored with common handler
Simpler code, like spring

Why

How

🤖 Generated by Copilot at fe418f7

• Refactor error handling logic for Discord API calls using a common function (link, link, link, link, link)

Checklist ✅

• Label appropriately with Feature, Improvement, or Bug.
• Add screenshots 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.