Fix opengraph tag for extension detail pages

html/typo3conf/ext/ter_fe2/Resources/Private/Templates/Extension/Show.html

@@ -6,6 +6,8 @@
 
 	<f:if condition="{extension}">
 		<f:then>
+			<tl:metaTag property="og:title" content="{extension.lastVersion.title} ({extension.extKey})" />
+			<tl:metaTag property="og:description" content="{extension.lastVersion.description}" />
 			<tl:titleTag>{extension.lastVersion.title} ({extension.extKey})</tl:titleTag>
 			<f:security.ifHasRole role="{settings.reviewerGroupUid}">
 				<div class="alert alert-info mb-3" role="alert">

html/typo3conf/ext/ter_layout/ext_typoscript_setup.txt

+
+# t3olayout loads its typoscript via ext_typoscript_setup.txt which is a bad implementation and prevents
+# overriding in many cases, so we also have to provide an ext_typoscript_setup.txt
+[page|uid = 3] && [globalString = GP:tx_terfe2_pi1|action = ?*]
+page.meta {
+    og:title >
+}
+[global]