[Zone] Zone State Automated Testing and Improvements (#4808)

* [Zone] Zone State Automated Testing and Improvements

* Spawn condition

* Update zone.cpp

* Remove redundant logic

* Update zone_state.cpp

* TestZLocationDrift

* Protect NPC resumed NPC's from being able to die

utils/scripts/build/linux-build.sh

@@ -57,6 +57,7 @@ echo "# Running NPC hand-in tests"
 ./bin/zone tests:npc-handins 2>&1 | tee test_output.log
 ./bin/zone tests:npc-handins-multiquest 2>&1 | tee -a test_output.log
 ./bin/zone tests:databuckets 2>&1 | tee -a test_output.log
+./bin/zone tests:zone-state 2>&1 | tee -a test_output.log
 
 if grep -E -q "QueryErr|Error|FAILED" test_output.log; then
     echo "Error found in test output! Failing build."