fix: Issue with "Continue Reading" link not displayed after summary split. (#500)

Author: igor-baiborodine

layouts/partials/default-content.html

@@ -55,7 +55,7 @@ <h2>{{ i18n "tableOfContents" | default "tableOfContents" }}</h2>
     {{ else }}
         {{ .ctx.Summary }}
 
-        {{ if .ctx.Truncated }}
+        {{ if or (.ctx.Truncated) (isset .ctx.Params "summary") }}
             <a href="{{ .ctx.Permalink }}" class="more">{{ i18n "continueReading" }}</a>
         {{ end }}
     {{ end }}