Fix blank events being considered #6208

Job	Run time
Lint with OpenDream	30s
Run Linters	2m 26s
Collect data for other tasks	13s
Compile Maps	2m 10s
Windows Build	1m 46s
Integration Tests (boxstation) / run_integration_tests	11m 20s
Integration Tests (deltastation) / run_integration_tests	16m 21s
Integration Tests (metastation) / run_integration_tests	11m 21s
Integration Tests (kilostation) / run_integration_tests	11m 3s
Integration Tests (multiz_debug) / run_integration_tests	11m 23s
Integration Tests (icebox) / run_integration_tests	11m 56s
Integration Tests (northstar) / run_integration_tests	11m 55s
Integration Tests (runtimestation) / run_integration_tests	9m 16s
Integration Tests (tramstation) / run_integration_tests	11m 45s
Alternate Tests (515, 1627, runtimestation) / run_integration_tests	9m 2s
Check Alternate Tests	1s
Compare Screenshot Tests	40s
	2h 3m 8s

Provide feedback