[BUGFIX] Some labels aren't shown in TYPO3 8

Configuration/TCA/Overrides/pages.php

@@ -211,13 +211,6 @@ $columns = array_merge(
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addTCAcolumns('pages', $columns);
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addTCAcolumns('pages_language_overlay', $imageColumns);
 
-$GLOBALS['TCA']['pages']['palettes']['editorialWithNewsAuthor'] = [
-	'showitem' => 'tx_sgnews_author;LLL:EXT:sg_news/Resources/Private/Language/locallang_db.xlf:pages.tx_sgnews_author.inPalette,
-		author;LLL:EXT:cms/locallang_tca.xlf:pages.author_formlabel,
-		--linebreak--, lastUpdated;LLL:EXT:cms/locallang_tca.xlf:pages.lastUpdated_formlabel',
-	'canNotCollapse' => 1,
-];
-
 $GLOBALS['TCA']['pages']['palettes']['titleDescriptionAndHighlightFlag'] = [
 	'showitem' => 'subtitle;LLL:EXT:sg_news/Resources/Private/Language/locallang_db.xlf:pages.subtitle.inPalette,
 		--linebreak--, description,
@@ -228,6 +221,13 @@ $GLOBALS['TCA']['pages']['palettes']['titleDescriptionAndHighlightFlag'] = [
 
 
 if (\SGalinski\SgNews\Utility\VersionUtility::isVersion870OrHigher()) {
+	$GLOBALS['TCA']['pages']['palettes']['editorialWithNewsAuthor'] = [
+		'showitem' => 'tx_sgnews_author;LLL:EXT:sg_news/Resources/Private/Language/locallang_db.xlf:pages.tx_sgnews_author.inPalette,
+			author;LLL:EXT:frontend/Resources/Private/Language/locallang_tca.xlf:pages.author_formlabel,
+			--linebreak--, lastUpdated;LLL:EXT:frontend/Resources/Private/Language/locallang_tca.xlf:pages.lastUpdated_formlabel',
+		'canNotCollapse' => 1,
+	];
+
 	#
 	# Pages
 	#
@@ -309,6 +309,13 @@ if (\SGalinski\SgNews\Utility\VersionUtility::isVersion870OrHigher()) {
 			--palette--;LLL:EXT:cms/locallang_tca.xlf:pages.palettes.access;access'
 	];
 } else {
+	$GLOBALS['TCA']['pages']['palettes']['editorialWithNewsAuthor'] = [
+		'showitem' => 'tx_sgnews_author;LLL:EXT:sg_news/Resources/Private/Language/locallang_db.xlf:pages.tx_sgnews_author.inPalette,
+			author;LLL:EXT:cms/locallang_tca.xlf:pages.author_formlabel,
+			--linebreak--, lastUpdated;LLL:EXT:cms/locallang_tca.xlf:pages.lastUpdated_formlabel',
+		'canNotCollapse' => 1,
+	];
+
 	#
 	# Pages
 	#