Bugfix: Studio Schedule and Details page times out (ENG-183)

[bryanlandia]

Change description

Fix ENG-183: Studio schedule and details page times out. Filter prereq course list by org for Global Staff users

Type of change

• Bug fix (fixes an issue)
• New feature (adds functionality)

Related issues

ENG-183

Checklists

Development

• Lint rules pass locally
• Application changes have been tested thoroughly
• Automated tests covering modified code pass

Security

• Security impact of change has been considered
• Code follows company security practices and guidelines

Code review

• Pull request has a descriptive title and context useful to a reviewer. Screenshots or screencasts are attached as necessary
• "Ready for review" label attached and reviewers assigned
• Changes have been reviewed by at least one other contributor
• Pull request linked to task tracker where applicable

[github-actions]

Checking git merge conflicts against https://github.com/edx/edx-platform.git

Comparing with	open-release/nutmeg.master
Benchmark conflicts with main	299
Current conflicts	299
Summary	Good work! No added conflicts.

Comparing with	master
Benchmark conflicts with main	315
Current conflicts	316
Summary	Adds 1 new conflicts. How can we do better?

[bryanlandia]

Could be upstream candidate but the files have been reorganized there