bugs: `find` command not working with capitalize course code

[nus-pe-bot]

If the course code in the savefile is capitalize, it will not be recognize

Step to reproduce:

• Any entries have capitalize course code in savefile (add with command then modified, or manually added before)

Expected behavior:

• Course mapping found

Actual behavior:

• Nothing found

Screenshot:

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_{[original: nus-cs2113-AY2425S1/pe-interim#501] [original labels: severity.Medium type.FeatureFlaw]}

[chewycj]

Team's Response

Thank you for the feedback! We would check for cases in the data file properly in the next iteration.

Duplicate status (if any):

Duplicate of #466