fix bug where admin appointment list is empty and tries to access 0th…

[bennettzhu1]

… index

[github-actions[bot]]

Unit Test Results

15 files  ±0  15 suites  ±0   32s :stopwatch: -7s 93 tests ±0  93 :heavy_check_mark: ±0  0 :zzz: ±0  0 :x: ±0 

Results for commit 03ee6c3f. ± Comparison against base commit 5f90e036.