feat(emergency): 新增应急就医群聊功能

- 工作台新增"应急就医"入口，支持多工单选择弹窗
- 新增应急就医相关 API：参与工单列表、群成员增减、专家/员工搜索
- 群聊页面集成侧边导航抽屉（DrawerLayout），展示群成员并支持添加/移除
- 新增添加成员页面（AddMemberActivity），支持搜索专家和员工
- InputActionSetting 扩展：新增结束会话、结束问诊名称、评价等控制字段
- IMManager.startGroupChat 支持传入 InputActionSetting 定制输入区行为
- TUIUtils 新增 WORK_TYPE_EMERGENCY 类型常量
- 新增 ParamedicOperateHelper 统一管理应急群聊操作回调

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

system/tuicore/src/main/java/com/tencent/qcloud/tuicore/TUIConstants.java

@@ -113,6 +113,9 @@ public final class TUIConstants {
         public static final String FACE_URL_LIST = "faceUrlList";
         /*当下公司业务传输数据使用*/
         public static final String WORK_BEAN = "workBean";
+        public static final String INITIATE_VIDEO_CALL = "initiateVideoCall";
+        public static final String AUTO_SEND_MESSAGE = "autoSendMessage";
+        public static final String CONSULTANT_ID = "consultantId";
         public static final String JOIN_TYPE = "joinType";
         public static final String MEMBER_COUNT = "memberCount";
         public static final String RECEIVE_OPTION = "receiveOption";