The link in the table of contents of a paginated post is incorrect

If the permalink settings are numerically based, the table of contents link in a paginated post is incorrect.

example.
https://www.sample.com/archives/123

output

<ul class="ez-toc-list ez-toc-list-level-1">
<li class="ez-toc-page-2 ez-toc-heading-level-2"><a class="ez-toc-link ez-toc-heading-1" href="https://www.sample.com/archives/1232/#id" title="sec">sec</a></li>
</ul>

Applicable parts of the source code
https://github.com/shazahm1/Easy-Table-of-Contents/blob/master/includes/class.post.php#L1338-L1354

Output with trailingslashit().

	private function createTOCItemURL( $id, $page ) {

		$current_post = $this->post->ID === $this->queriedObjectID;
		$current_page = $this->getCurrentPage();

		if ( $page === $current_page && $current_post ) {

			return '#' . $id;

		} elseif ( 1 === $page ) {

			return trailingslashit( $this->permalink ) . '#' . $id;

		}

		return trailingslashit( $this->permalink ) . $page . '/#' . $id;
	}

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