Complete filtering of opportunities

[RafaelCenzano]

• cleanup
• Fix logo
• update credits function
• add more fields for opportunities
• fix filtering function remove uneeded function
• update to lab managers instead of professors
• correct filtering and joining to retrieve desired data with as much work done via sql
• optimize querying and code

[deepsource-io]

Here's the code health analysis summary for commits 3156f8e..66eb25d. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Python	❌ Failure	❗ 1 occurence introduced 🎯 2 occurences resolved	View Check ↗

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