DATACMNS-855 - Fixed generic type lookup in SyntheticParamterizedType.

The translation of the list of actual type parameters into an array now uses the loop index correctly. Previously, it always used the first type parameter.

src/main/java/org/springframework/data/util/TypeDiscoverer.java

@@ -597,7 +597,7 @@ class TypeDiscoverer<S> implements TypeInformation<S> {
 			Type[] result = new Type[typeParameters.size()];
 
 			for (int i = 0; i < typeParameters.size(); i++) {
-				result[i] = typeParameters.get(0).getType();
+				result[i] = typeParameters.get(i).getType();
 			}
 
 			return result;