CIV-16614 - Take case offline GA WA task created when there are no GA…

…s on the claim (#6136)

* added a condition to prevent setting the flag if the main case has no GA application.

* rafactored.

* rafactored.

---------

Co-authored-by: sankhajuria <sankhajuria@gmail.com>

src/main/java/uk/gov/hmcts/reform/civil/handler/callback/camunda/caseevents/TriggerGenAppLocationUpdateCallbackHandler.java

@@ -17,6 +17,7 @@
 
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 
 import static uk.gov.hmcts.reform.civil.callback.CallbackParams.Params.BEARER_TOKEN;
 import static uk.gov.hmcts.reform.civil.callback.CallbackType.ABOUT_TO_SUBMIT;
@@ -55,9 +56,10 @@ private CallbackResponse triggerGaEvent(CallbackParams callbackParams) {
 
         String authToken = callbackParams.getParams().get(BEARER_TOKEN).toString();
         try {
-            if (!(featureToggleService.isGaForLipsEnabledAndLocationWhiteListed(caseData
-                                                                                   .getCaseManagementLocation().getBaseLocation()))
-                && caseData.isLipCase()) {
+            if (!(featureToggleService.isGaForLipsEnabledAndLocationWhiteListed(
+                caseData.getCaseManagementLocation().getBaseLocation()))
+                && caseData.isLipCase()
+                && (Objects.nonNull(caseData.getGeneralApplications()) && !caseData.getGeneralApplications().isEmpty())) {
                 caseDataBuilder.gaEaCourtLocation(YesOrNo.YES);
             }
             if (caseData.getGeneralApplications() != null && !caseData.getGeneralApplications().isEmpty()) {