update destroyOnClose to destroyOnHidden

Author: li-jia-nan

docs/examples/ant-design.tsx

@@ -210,7 +210,7 @@ const MyControl: React.FC = () => {
           </button>
           &nbsp;
           <label>
-            destroy on close:
+            destroy on hidden:
             <input type="checkbox" checked={destroyOnHidden} onChange={onDestroyOnHiddenChange} />
           </label>
           &nbsp;

docs/examples/bootstrap.tsx

@@ -120,7 +120,7 @@ const MyControl: React.FC = () => {
         </button>
         &nbsp;
         <label>
-          destroy on close:
+          destroy on hidden:
           <input type="checkbox" checked={destroyOnHidden} onChange={onDestroyOnHiddenChange} />
         </label>
       </p>