fix: 修复关闭SSH终端标签页时会话状态未更新的问题

web/node_modules/css-tree/lib/syntax/node/String.js

@@ -0,0 +1,18 @@
+var STRING = require('../../tokenizer').TYPE.String;
+
+module.exports = {
+    name: 'String',
+    structure: {
+        value: String
+    },
+    parse: function() {
+        return {
+            type: 'String',
+            loc: this.getLocation(this.scanner.tokenStart, this.scanner.tokenEnd),
+            value: this.consume(STRING)
+        };
+    },
+    generate: function(node) {
+        this.chunk(node.value);
+    }
+};