Move cluster dropdown one level up

Move cluster dropdown component to the root
of the create_cluster application. This is to
allow GKE cluster app to consume the component
too.

app/assets/javascripts/create_cluster/eks_cluster/components/eks_cluster_configuration_form.vue

@@ -3,7 +3,7 @@ import { createNamespacedHelpers, mapState, mapActions } from 'vuex';
 import _ from 'underscore';
 import { GlFormInput, GlFormCheckbox } from '@gitlab/ui';
 import { sprintf, s__ } from '~/locale';
-import ClusterFormDropdown from './cluster_form_dropdown.vue';
+import ClusterFormDropdown from '~/create_cluster/components/cluster_form_dropdown.vue';
 import { KUBERNETES_VERSIONS } from '../constants';
 import LoadingButton from '~/vue_shared/components/loading_button.vue';
 

spec/frontend/create_cluster/eks_cluster/components/cluster_form_dropdown_spec.js → spec/frontend/create_cluster/components/cluster_form_dropdown_spec.js

@@ -2,7 +2,7 @@ import { shallowMount } from '@vue/test-utils';
 import $ from 'jquery';
 
 import { GlIcon } from '@gitlab/ui';
-import ClusterFormDropdown from '~/create_cluster/eks_cluster/components/cluster_form_dropdown.vue';
+import ClusterFormDropdown from '~/create_cluster/components/cluster_form_dropdown.vue';
 import DropdownButton from '~/vue_shared/components/dropdown/dropdown_button.vue';
 import DropdownSearchInput from '~/vue_shared/components/dropdown/dropdown_search_input.vue';