Bump min access level for Bulk Import UI to Owner when listing groups

app/controllers/import/bulk_imports_controller.rb

@@ -78,7 +78,7 @@ class Import::BulkImportsController < ApplicationController
   def query_params
     query_params = {
       top_level_only: true,
-      min_access_level: Gitlab::Access::MAINTAINER
+      min_access_level: Gitlab::Access::OWNER
     }
 
     query_params[:search] = sanitized_filter_param if sanitized_filter_param

doc/user/group/import/index.md

@@ -117,7 +117,8 @@ on an existing group's page.
 
 ### Selecting which groups to import
 
-After you have authorized access to GitLab instance, you are redirected to the GitLab Group Migration importer page and your remote GitLab groups are listed.
+After you have authorized access to the GitLab instance, you are redirected to the GitLab Group
+Migration importer page. Your remote GitLab groups, which you have Owner access to, are listed.
 
 1. By default, the proposed group namespaces match the names as they exist in remote instance, but based on your permissions, you can choose to edit these names before you proceed to import any of them.
 

spec/controllers/import/bulk_imports_controller_spec.rb

@@ -73,7 +73,7 @@ RSpec.describe Import::BulkImportsController do
           let(:client_params) do
             {
               top_level_only: true,
-              min_access_level: Gitlab::Access::MAINTAINER
+              min_access_level: Gitlab::Access::OWNER
             }
           end
 

spec/features/groups/import_export/connect_instance_spec.rb

@@ -24,7 +24,7 @@ RSpec.describe 'Import/Export - Connect to another instance', :js do
       pat = 'demo-pat'
       stub_path = 'stub-group'
       total = 37
-      stub_request(:get, "%{url}/api/v4/groups?page=1&per_page=20&top_level_only=true&min_access_level=40&search=" % { url: source_url }).to_return(
+      stub_request(:get, "%{url}/api/v4/groups?page=1&per_page=20&top_level_only=true&min_access_level=50&search=" % { url: source_url }).to_return(
         body: [{
           id: 2595438,
           web_url: 'https://gitlab.com/groups/auto-breakfast',