fix(bpm): 修正流程实例创建权限标识

- 将按钮权限从 'bpm:process-instance:query' 更正为 'bpm:process-instance:create'
- 确保发起流程功能使用正确的权限控制

src/views/bpm/processInstance/index.vue

@@ -38,7 +38,7 @@
         />
       </template>
       <template #menu-left>
-        <el-button type="primary" v-hasPermi="['bpm:process-instance:query']" @click="handleCreate">
+        <el-button type="primary" v-hasPermi="['bpm:process-instance:create']" @click="handleCreate">
           <Icon icon="ep:plus" class="mr-5px"/>
           发起流程
         </el-button>