Make sure that m_components cannot be accessed out of bounds in closeLinkPreview

src/models/messagecontentmodel.cpp

@@ -634,6 +634,10 @@ QList<MessageComponent> MessageContentModel::addLinkPreviews(QList<MessageCompon
 
 void MessageContentModel::closeLinkPreview(int row)
 {
+    if (row < 0 || row > m_components.size()) {
+        return;
+    }
+
     if (m_components[row].type == MessageComponentType::LinkPreview || m_components[row].type == MessageComponentType::LinkPreviewLoad) {
         beginResetModel();
         m_removedLinkPreviews += m_components[row].attributes["link"_ls].toUrl();