CS4262 Prereq tree is wrong

[shyanyong]

Describe the bug

A clear and concise description of what the bug is.
Prerequisite tree is wrong. Should be split into two with 2 different sets of one of but it is all of instead.

To Reproduce

Steps to reproduce the behavior:

1. Go to '...'
2. Click on '...'
3. Scroll down to '...'
4. See error

Go to CS4262 webpage.
Scroll down to prereq tree.

Expected behavior

A clear and concise description of what you expected to happen.
Prereq tree should be right

Screenshots

If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: Windows
• Browser Firefox
• Version 146.0

Smartphone (please complete the following information):

• Device: [e.g. iPhone 12]
• OS: [e.g. iOS 14.0.0]
• Browser [e.g. Stock browser, Safari]
• Version [e.g. 22]

Additional context

Add any other context about the problem here.

[zehata]

See #4261 (comment)

Also, I have verified that this is the same issue as #4261: The course string is missing the course number
"PROGRAM_TYPES IF_IN Undergraduate Degree THEN COURSES CS2106:D, CG2271:D AND COURSES CS3244:D, CS3264:D, CG3201:D" similar to the one for EE5140 mentioned in #4261.