fix(Core/SOAP): mem leak and new/free mismatch (#7181)

Co-Authored-By: Giacomo Pozzoni <giacomopoz@gmail.com>

src/server/worldserver/ACSoap/ACSoap.cpp

@@ -42,6 +42,8 @@ void ACSoapThread(const std::string& host, uint16 port)
         process_message(thread_soap);
     }
 
+    soap_destroy(&soap);
+    soap_end(&soap);
     soap_done(&soap);
 }
 
@@ -52,8 +54,7 @@ void process_message(struct soap* soap_message)
     soap_serve(soap_message);
     soap_destroy(soap_message); // dealloc C++ data
     soap_end(soap_message); // dealloc data and clean up
-    soap_done(soap_message); // detach soap struct
-    free(soap_message);
+    soap_free(soap_message); // detach soap struct and fre up the memory
 }
 
 /*