Address reviewer comments

* use Array.wrap in bulk import service for better DX

app/controllers/import/bulk_imports_controller.rb

@@ -40,7 +40,7 @@ class Import::BulkImportsController < ApplicationController
   end
 
   def create
-    responses = create_params.map { |entry| ::BulkImports::CreateService.new(current_user, [entry], credentials).execute }
+    responses = create_params.map { |entry| ::BulkImports::CreateService.new(current_user, entry, credentials).execute }
 
     render json: responses.map { |response| { success: response.success?, id: response.payload[:id], message: response.message } }
   end

app/services/bulk_imports/create_service.rb

@@ -59,7 +59,7 @@ module BulkImports
         )
         bulk_import.create_configuration!(credentials.slice(:url, :access_token))
 
-        params.each do |entity|
+        Array.wrap(params).each do |entity|
           BulkImports::Entity.create!(
             bulk_import: bulk_import,
             source_type: entity[:source_type],

spec/controllers/import/bulk_imports_controller_spec.rb

@@ -233,11 +233,11 @@ RSpec.describe Import::BulkImportsController do
           error_response = ServiceResponse.error(message: 'Record invalid', http_status: :unprocessable_entity)
 
           expect_next_instance_of(
-            ::BulkImports::CreateService, user, [bulk_import_params[0]], { url: instance_url, access_token: pat }) do |service|
+            ::BulkImports::CreateService, user, bulk_import_params[0], { url: instance_url, access_token: pat }) do |service|
             allow(service).to receive(:execute).and_return(ServiceResponse.success(payload: bulk_import))
           end
           expect_next_instance_of(
-            ::BulkImports::CreateService, user, [bulk_import_params[1]], { url: instance_url, access_token: pat }) do |service|
+            ::BulkImports::CreateService, user, bulk_import_params[1], { url: instance_url, access_token: pat }) do |service|
             allow(service).to receive(:execute).and_return(error_response)
           end