Incorrect change in efficiency when marking a task with modified deadline

[nus-pe-bot]

Describe the bug
The app allows editing the deadline of a task to a past timestamp. When marking a task with modified deadline like this, the efficiency of the task owner does not change (decrease) as specified in the UG.

To Reproduce
Steps to reproduce the behavior:

1. Assign a task to an employee:
   assign task/Complete Project Proposal 2 by/20-05-2024 2359 to/1

2. Edit the deadline to the past:
   edit_deadline 1 by/12-02-2020 2320

3. Mark that task as done:
   mark task/Complete Project Proposal 2 o/1

4. Observe the efficiency of the task owner.

Expected behavior
The efficiency of the task owner should decrease.

Actual behavior
The efficiency of the task owner increased.

Screenshots
Before marking:

After marking:

Efficiency of Alex Yeoh increased from 80% to 100%

Desktop:

• OS: Windows 10
• Browser
• Version

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_{[original: nus-cs2103-AY2324S2/pe-interim#5586] [original labels: type.FunctionalityBug severity.Medium]}

[laybach]

Team's Response

No details provided by team.

Duplicate status (if any):

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