Various deprecation fixes, reported by failed Spicy builds

- Add deprecated version of ID::SetType() that takes Type*
- Add deprecated versions of zeek::set_location in the global namespace
- Fix global namespace version of lookup_ID to return ID*

src/ID.cc

@@ -136,6 +136,11 @@ void ID::SetType(zeek::TypePtr t)
 	type = std::move(t);
 	}
 
+void ID::SetType(zeek::Type* t)
+	{
+	SetType({AdoptRef(), t});
+	}
+
 void ID::ClearVal()
 	{
 	val = nullptr;