BXMSDOC-4890-master: Update managing & monitoring Process/Decision se…

…rver doc for PAM/DM 7.6 (#53) (apache#2116)

* BXMSDOC-4890-master: Added a new kie server system property in the upstream and downstream docs.

* BXMSDOC-4890-master: Updated the kie server system property description.

doc-content/shared-kie-docs/src/main/asciidoc/KieServer/kie-server-system-properties-ref.adoc

@@ -358,4 +358,14 @@ endif::[]
 |String
 |`org.drools.persistence.jpa.KnowledgeStoreServiceImpl`
 |Fully qualified name of the class that implements `KieStoreServices` that are responsible for bootstrapping KieSession instances.
+
+|`org.kie.server.strict.id.format`
+|`true`, `false`
+|`false`
+|The following options are available:
+
+* While using JSON marshalling, if the property is set to `true`, it will always return a response in the proper JSON format. For example, *{"value" : 1}*.
+
+* When the property is set to `false`, a JSON response is wrapped if the original response contains only a single number.
+
 |===