don't fit to content on clicking the add button

edit/sections-editor.js

@@ -568,7 +568,10 @@ function createSectionsEditor({style, onTitleChanged}) {
       container.appendChild(section.el);
     }
     section.cm[forceRefresh ? 'refresh' : 'refreshOnView']();
+    if (!base || init.code) {
+      // Fit a) during startup or b) when the clone button is clicked on a section with some code
       fitToContent(section);
+    }
     updateSectionOrder();
     section.onChange(updateLivePreview);
     updateLivePreview();