fix: Codeblock rendering incorrectly on old theme

Author: lamATnginx

layouts/_default/_markup/render-codeblock.html

@@ -3,7 +3,7 @@
 {{ $lines := split $result.Wrapped "\n" }}
 {{ $isSingleLine := eq (len $lines) 1 }}
 
-{{ if $isSingleLine  }}
+{{- if $isSingleLine  -}}
 <div class="code-block" data-mf="true" style="display: none;">
     <div class="code-header no-lang">
         <button onclick="copyToClipBoard(this)" data-id-codeblock="{{ $codeBlockId }}" class="code-copy-button" type="button">Copy</button>
@@ -12,25 +12,23 @@
         {{ $result.Wrapped }}
     </div>
 </div>
-{{ else }}
-
+{{- else -}}
 <div class="code-block" data-mf="true" style="display: none;">
-    {{ if and (ne .Type "") (ne .Type "none") }}
+    {{- if and (ne .Type "") (ne .Type "none") -}}
     <div class="code-header">
         <span class="code-type">{{ .Type }}</span>
         <button onclick="copyToClipBoard(this)" data-id-codeblock="{{ $codeBlockId }}" class="code-copy-button" type="button">Copy</button>
     </div>
-    {{ else }}
+    {{- else -}}
     <div class="code-header no-lang">
         <button onclick="copyToClipBoard(this)" data-id-codeblock="{{ $codeBlockId }}" class="code-copy-button" type="button">Copy</button>
     </div>
-    {{ end }}
+    {{- end -}}
     <div class="highlight-v2" id="{{ $codeBlockId }}">
         {{ $result.Wrapped }}
     </div>
 </div>
-
-{{ end }}
+{{- end -}}
 <div id="code-block-v1" data-mf="false">
 {{ $result.Wrapped }}
 </div>