Simplify lazy_find_* methods using lazy_find_by

app/models/manageiq/providers/kubernetes/container_manager/refresh_parser.rb

@@ -1269,29 +1269,23 @@ def lazy_find_node(name:)
 
     def lazy_find_replicator(hash)
       return nil if hash.nil?
-      index = "#{hash[:namespace]}__#{hash[:name]}"
-      @inv_collections[:container_replicators].lazy_find(index, :ref => :by_namespace_and_name)
+      @inv_collections[:container_replicators].lazy_find_by(hash, :ref => :by_namespace_and_name)
     end
 
     def lazy_find_container_group(hash)
       return nil if hash.nil?
-      index = "#{hash[:namespace]}__#{hash[:name]}"
-      @inv_collections[:container_groups].lazy_find(index, :ref => :by_namespace_and_name)
+      @inv_collections[:container_groups].lazy_find_by(hash, :ref => :by_namespace_and_name)
     end
 
     def lazy_find_image(hash)
       return nil if hash.nil?
       hash = hash.merge(:container_image_registry => lazy_find_image_registry(hash[:container_image_registry]))
-      @inv_collections[:container_images].lazy_find(
-        @inv_collections[:container_images].object_index(hash)
-      )
+      @inv_collections[:container_images].lazy_find_by(hash)
     end
 
     def lazy_find_image_registry(hash)
       return nil if hash.nil?
-      @inv_collections[:container_image_registries].lazy_find(
-        @inv_collections[:container_image_registries].object_index(hash)
-      )
+      @inv_collections[:container_image_registries].lazy_find_by(hash)
     end
   end
 end