Rename design item isLoading prop

Rename isLoading => isUploading

ee/app/assets/javascripts/design_management/components/list/item.vue

@@ -37,10 +37,10 @@ export default {
       required: false,
       default: null,
     },
-    isLoading: {
+    isUploading: {
       type: Boolean,
       required: false,
-      default: false,
+      default: true,
     },
   },
   data() {

ee/app/assets/javascripts/design_management/pages/index.vue

@@ -269,7 +269,7 @@ export default {
         </li>
         <li v-for="design in designs" :key="design.id" class="col-md-6 col-lg-4 mb-3">
           <design-dropzone @change="onExistingDesignDropzoneChange($event, design.filename)"
-            ><design v-bind="design" :is-loading="isDesignToBeSaved(design.filename)"
+            ><design v-bind="design" :is-uploading="isDesignToBeSaved(design.filename)"
           /></design-dropzone>
 
           <input

ee/spec/frontend/design_management/components/list/__snapshots__/item_spec.js.snap

@@ -263,7 +263,7 @@ exports[`Design management list item component with no notes renders item with n
 </router-link-stub>
 `;
 
-exports[`Design management list item component with no notes renders loading spinner when isLoading is true 1`] = `
+exports[`Design management list item component with no notes renders loading spinner when isUploading is true 1`] = `
 <router-link-stub
   class="card cursor-pointer text-plain js-design-list-item design-list-item"
   to="[object Object]"

ee/spec/frontend/design_management/components/list/item_spec.js

@@ -19,7 +19,7 @@ describe('Design management list item component', () => {
   function createComponent({
     notesCount = 0,
     event = DESIGN_VERSION_EVENT.NO_CHANGE,
-    isLoading = false,
+    isUploading = false,
     imageLoading = false,
   } = {}) {
     wrapper = shallowMount(Item, {
@@ -29,7 +29,7 @@ describe('Design management list item component', () => {
         id: 1,
         filename: 'test',
         image: 'http://via.placeholder.com/300',
-        isLoading,
+        isUploading,
         event,
         notesCount,
         updatedAt: '01-01-2019',
@@ -86,8 +86,8 @@ describe('Design management list item component', () => {
       expect(wrapper.element).toMatchSnapshot();
     });
 
-    it('renders loading spinner when isLoading is true', () => {
-      createComponent({ isLoading: true });
+    it('renders loading spinner when isUploading is true', () => {
+      createComponent({ isUploading: true });
 
       expect(wrapper.element).toMatchSnapshot();
     });