feat: tabbar support max count limit (#5490)

* 标签栏支持限制打开的最大数量

packages/@core/preferences/__tests__/__snapshots__/config.test.ts.snap

@@ -80,6 +80,7 @@ exports[`defaultPreferences immutability test > should not modify the config obj
     "enable": true,
     "height": 38,
     "keepAlive": true,
+    "maxCount": 0,
     "middleClickToClose": false,
     "persist": true,
     "showIcon": true,

packages/@core/preferences/src/config.ts

@@ -80,6 +80,7 @@ const defaultPreferences: Preferences = {
     enable: true,
     height: 38,
     keepAlive: true,
+    maxCount: 0,
     middleClickToClose: false,
     persist: true,
     showIcon: true,

packages/@core/preferences/src/types.ts

@@ -168,6 +168,8 @@ interface TabbarPreferences {
   height: number;
   /** 开启标签页缓存功能 */
   keepAlive: boolean;
+  /** 限制最大数量 */
+  maxCount: number;
   /** 是否点击中键时关闭标签 */
   middleClickToClose: boolean;
   /** 是否持久化标签 */