Bugfix pagebrowser handling

To fix:

• Canonical is included twice on category page
• cHash is included in canonical for pagination
• <link rel="prev"... and <link rel="next"... need to be generated by https://gitlab.sgalinski.de/typo3/sg_seo

Classes/Controller/ListByCategoryController.php

@@ -120,6 +120,9 @@ class ListByCategoryController extends AbstractController {
 		$filterByCategories = FALSE;
 		$categoryUids = GeneralUtility::intExplode(',', $this->settings['categories']);
 		$tagUids = GeneralUtility::intExplode(',', $this->settings['tags'], TRUE);
+
+		HeaderMetaDataService::addPageNumberToCanonical($currentPageBrowserPage);
+
 		foreach ($categoryUids as $categoryUid) {
 			if ($categoryUid > 0) {
 				$filterByCategories = TRUE;