refactor(按钮样式): 替换btn-success类为variant和color属性

使用variant="link"和color="green"替代原有的btn-success类，统一按钮样式实现方式

apps/web-antd/src/views/system/dept/index.vue

@@ -155,7 +155,8 @@ function setExpandOrCollapse(expand: boolean) {
             {{ $t('pages.common.edit') }}
           </ghost-button>
           <ghost-button
-            class="btn-success"
+            variant="link"
+            color="green"
             v-access:code="['system:dept:add']"
             @click="handleSubAdd(row)"
           >

apps/web-antd/src/views/system/tenant/index.vue

@@ -223,7 +223,8 @@ function handleSyncTenantConfig() {
             @confirm="handleSync(row)"
           >
             <ghost-button
-              class="btn-success"
+              variant="link"
+              color="green"
               v-access:code="['system:tenant:edit']"
             >
               {{ $t('pages.common.sync') }}