refactor(editor): 优化代码格式和简化逻辑表达

- 精简 CommonNodeDetailList 组件中 targetVirtualId 的三元表达式写法
- 调整 EditAreaContextMenuModal 中删除确认对话框内容的多行三元表达式格式
- 修正 AddNodeModal 组件中 form.textContent 的赋值表达式，去除多余括号，提高可读性

src/components/CommonNodeDetailList.vue

@@ -387,9 +387,7 @@ const processedItems = computed(() => {
             let actualMcIdx = -1
             let textVal = ''
 
-            const targetVirtualId = (props.selectedId && props.selectedId.includes('-txt-'))
-                ? props.selectedId
-                : (leafId.includes('-txt-') ? leafId : '')
+            const targetVirtualId = props.selectedId && props.selectedId.includes('-txt-') ? props.selectedId : leafId.includes('-txt-') ? leafId : ''
 
             if (targetVirtualId.includes('-txt-')) {
                 const targetIdx = parseInt(targetVirtualId.split('-txt-')[1], 10)

src/views/editor/components/EditorPanel/components/EditAreaContextMenuModal/functionals/index.ts

@@ -369,7 +369,9 @@ export function useEditAreaContextMenu(props: EditAreaContextMenuProps, emit: (e
             try {
                 await window.$dialog.warning({
                     title: '确认删除',
-                    content: isVirtual ? '您确定要删除此段文本内容吗？该操作不可撤销。' : `您确定要删除选中的节点 <${mapped?.node?.tagName || ''}> 吗？该操作不可撤销。`
+                    content: isVirtual
+                        ? '您确定要删除此段文本内容吗？该操作不可撤销。'
+                        : `您确定要删除选中的节点 <${mapped?.node?.tagName || ''}> 吗？该操作不可撤销。`
                 })
 
                 if (isVirtual) {

src/views/editor/components/NodeTree/components/AddNodeModal/functionals/index.ts

@@ -139,7 +139,7 @@ export function useAddNodeModal(formRef: Ref<FormInst | null>) {
                     form.tagName = node.tagName
                     if (isMixedContentElement(node.tagName) && Array.isArray(node.mixedContent) && node.mixedContent.length > 0) {
                         const firstText = node.mixedContent.find((i) => i.type === 'text')?.text
-                        form.textContent = firstText !== undefined && firstText !== '' ? firstText : (node.textContent || '')
+                        form.textContent = firstText !== undefined && firstText !== '' ? firstText : node.textContent || ''
                     } else {
                         form.textContent = node.textContent || ''
                     }