ServiceRequestDTO json tag name corrected to hmctsOrgId (#24)

Corrected json tag name

Co-authored-by: Deepthi Doppalapudi <deepthi.doppalapudi@version1.com>

Author: deepthidoppalapudihmcts

src/main/java/uk/gov/hmcts/reform/payments/request/CreateServiceRequestDTO.java

@@ -24,7 +24,7 @@ public class CreateServiceRequestDTO {
     private String ccdCaseNumber;
     @JsonProperty("fees")
     private FeeDto[] fees;
-    @JsonProperty("organisation_id")
-    private String organisationId;
+    @JsonProperty("hmcts_org_id")
+    private String hmctsOrgId;
 
 }

src/test/java/uk/gov/hmcts/reform/payments/client/PaymentsClientTest.java

@@ -87,7 +87,7 @@ class PaymentsClientTest {
                             .volume(FEE_VOLUME)
                             .build()
             })
-            .organisationId("organisation id")
+            .hmctsOrgId("organisation id")
             .build();
 
     private static final PBAServiceRequestDTO SERVICE_REQUEST_PAYMENT = PBAServiceRequestDTO.builder()