message: [Doc] Toast: update clear param
diff: @@ -90,7 +90,7 @@ toast2.clear();
  | Toast.loading | `options | message` | toast instance | Show loading toast |
  | Toast.success | `options | message` | toast instance | Show success toast |
  | Toast.fail | `options | message` | toast instance | Show fail toast |
  -| Toast.clear | `clearAll` | `void` | Close toast |
  +| Toast.clear | `clearAll: boolean` | `void` | Close toast |
  | Toast.allowMultiple | - | `void` | Allow multlple toast at the same time |
  | Toast.setDefaultOptions | `options` | `void` | Set default options of all toasts |
  | Toast.resetDefaultOptions | - | `void` | Reset default options of all toasts |
  