use load when loading static service models

Author: kbrock

lib/miq_automation_engine/engine/miq_ae_method_service/miq_ae_service_model_base.rb

@@ -129,7 +129,9 @@ def self.find_or_create_service_model(ar_model)
     def self.create_service_model(ar_model)
       file_path = model_to_file_path(ar_model)
       if File.exist?(file_path)
-        require file_path
+        # class reloading in development causes require to no-op when it should load
+        # since we will never require this file, using load is not a big loss
+        load file_path
         ::MiqAeMethodService.const_get(model_to_service_model_name(ar_model))
       else
         dynamic_service_model_creation(ar_model, service_model_superclass(ar_model))