Make function argument a reference, to avoid passing in struct data a…

…round (#35950)

* Make function argument a reference, to avoid passing in struct data around

* Restyled by clang-format

---------

Co-authored-by: Restyled.io <commits@restyled.io>

src/app/codegen-data-model-provider/CodegenDataModelProvider.cpp

@@ -318,7 +318,7 @@ bool operator==(const DataModel::DeviceTypeEntry & a, const EmberAfDeviceType &
 /// - index == types.size() // i.e. not found or there is no next
 ///
 /// hintWherePreviousMayBe represents a search hint where previous may exist.
-unsigned FindNextDeviceTypeIndex(Span<const EmberAfDeviceType> types, const DataModel::DeviceTypeEntry previous,
+unsigned FindNextDeviceTypeIndex(Span<const EmberAfDeviceType> types, const DataModel::DeviceTypeEntry & previous,
  unsigned hintWherePreviousMayBe)
 {
  if (hintWherePreviousMayBe < types.size())