fix: titre par defaut sur la newsletter

src/components/Editing/CustomEditor.tsx

@@ -41,10 +41,14 @@ const CustomEditor: React.FC<CustomEditorProps> = ({
   const handleStateChange = useCallback(
     (state: EditorState) => {
       setEditorState(state)
-      handleChange(
-        stateToHTML(state.getCurrentContent(), { entityStyleFn }),
-        editorType
-      )
+      if (state.getCurrentContent().hasText()) {
+        handleChange(
+          stateToHTML(state.getCurrentContent(), { entityStyleFn }),
+          editorType
+        )
+      } else {
+        handleChange('', editorType)
+      }
     },
     [editorType, handleChange, entityStyleFn]
   )