Find command find everyting while user try to find ` `

[nus-pe-bot]

while typing find in the command directly, the program prompts that the input cannot be empty, which is as expected:

however, when typing find (with a space) in the command, the output returns all the todos in the list, even if there is no (space) in it's description or tag:

also, just for clarify, here is the list of all the todos in this test case, to prove it does print out all of the todos

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_{[original: nus-cs2113-AY2425S1/pe-interim#768] [original labels: severity.Medium type.FunctionalityBug]}