fix: 图表数据编辑器单元格无法粘贴（#333）

src/views/Editor/Toolbar/ElementStylePanel/ChartStylePanel/ChartDataEditor.vue

@@ -292,7 +292,12 @@ const handlePaste = (e: ClipboardEvent, rowIndex: number, colIndex: number) => {
         if (typeof clipboardData === 'object') return
    
         const excelData = pasteExcelClipboardString(text)
-        if (excelData) fillTableData(excelData, rowIndex, colIndex)
+        if (excelData) {
+          fillTableData(excelData, rowIndex, colIndex)
+          return
+        }
+  
+        document.execCommand('insertText', false, text)
       })
     }
     else if (clipboardDataFirstItem.type === 'text/html') {

src/views/components/element/TableElement/CustomTextarea.vue

@@ -76,7 +76,6 @@ const handleFocus = () => {
           if (htmlData) {
             emit('insertExcelData', htmlData)
             if (textareaRef.value) textareaRef.value.innerHTML = htmlData[0][0]
-            return
           }
         }) 
       }