fix(tasks): add row gap for Used in Courses

[ThorsAngerVaNeT]

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🤔 This is a ...

• New feature
• Bug fix
• Performance optimization
• Refactoring
• Test Case
• Documentation update
• Other

🔗 Related issue link

Describe the source of requirement, like related issue link.

💡 Background and solution

Add row gap for Used in Courses labels in task edit form
Before

After

☑️ Self Check before Merge

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• Database migration is added or not needed
• Documentation is updated/provided or not needed
• Changes are tested locally