fix: log identity setup record using toString

Adds the ability to the RecordStreamLogger to log records of value type
IDENTITY_SETUP using the toString method. This is better than not
logging anything, but means the output is json formatted.

filters/src/main/java/io/camunda/zeebe/process/test/filters/logger/RecordStreamLogger.java

@@ -138,6 +138,7 @@ public RecordStreamLogger(final RecordStreamSource recordStreamSource) {
     valueTypeLoggers.put(ValueType.GROUP, Object::toString);
     valueTypeLoggers.put(ValueType.MAPPING, Object::toString);
     valueTypeLoggers.put(ValueType.REDISTRIBUTION, Object::toString);
+    valueTypeLoggers.put(ValueType.IDENTITY_SETUP, Object::toString);
   }
 
   public void log() {