fix non panel items in children has unexpected props

close ant-design/ant-design#20479

Author: afc163

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rc-collapse",
-  "version": "1.11.7",
+  "version": "1.11.8",
   "description": "rc-collapse ui component for react",
   "keywords": [
     "react",

src/Collapse.jsx

@@ -94,6 +94,11 @@ class Collapse extends Component {
       expandIcon,
     };
 
+    // https://github.com/ant-design/ant-design/issues/20479
+    if (typeof child.type === 'string') {
+      return child;
+    }
+
     return React.cloneElement(child, props);
   };