fix: 更新订阅模态框触发器ID，确保正确打开订阅模态框

src/views/trade-rwa/index.vue

@@ -48,7 +48,7 @@ function gotoEdit() {
       </ion-toolbar>
     </ion-header>
     <ion-content :fullscreen="true" class="ion-padding">
-      <ion-modal ref="modalInst" trigger="open-modal" :initial-breakpoint="0.4" :breakpoints="[0, 0.4]">
+      <ion-modal ref="modalInst" trigger="open-subscribe-modal" :initial-breakpoint="0.4" :breakpoints="[0, 0.4]">
         <subscribe-rwa :unit-price="Number(data?.unitPrice || 0)" :max="Number(data?.perUserLimit || 0)" @subscribed="handleSubscribe" />
       </ion-modal>
       <div>
@@ -85,7 +85,7 @@ function gotoEdit() {
     <ion-footer>
       <ion-toolbar class="ion-padding-horizontal ion-toolbar">
         <div class="flex justify-center my-2 gap-5">
-          <ion-button id="open-modal" shape="round" expand="block" color="success">
+          <ion-button id="open-subscribe-modal" shape="round" expand="block" color="success">
             {{ t('market.tradeRwa.subscribe') }}
           </ion-button>
         </div>