fix: set AZ required when create aggregate

1. Set AZ input required when create aggregate with new AZ
2. Set AZ select(which contains a no-select AZ) required when create aggregate without new AZ

Closes-Bug: #1990213
Change-Id: Ie84ef2aac98da92c5707db9e0355e23f3e96f6f9

src/pages/compute/containers/HostAggregate/Aggregate/actions/Create.jsx

@@ -87,6 +87,7 @@ export class Create extends ModalAction {
         options: this.azList,
         tip: azNewTip,
         hidden: isCreate,
+        required: !isCreate,
       },
       {
         name: 'newAz',
@@ -94,6 +95,7 @@ export class Create extends ModalAction {
         type: 'input',
         help: azTip,
         hidden: !isCreate,
+        required: isCreate,
       },
     ];
   }