feat: 重新写工卡对比

src/views/editor/components/EditorToolbar/components/CompareModal/constants/index.ts

-export interface DiffMixedContentItem {
-    type: 'text' | 'element'
-    text?: string
-    nodeId?: string
-    diffStatus?: 'added' | 'removed' | 'modified' | 'none'
-    diffWords?: { value: string; added?: boolean; removed?: boolean }[]
-}
-
-export interface DiffXmlNode {
-    id: string
-    tagName: string
-    attributes: Record<string, string>
-    children: DiffXmlNode[]
-    textContent: string
-    mixedContent: DiffMixedContentItem[]
-    parentId: string | null
-    diffStatus: 'added' | 'removed' | 'modified' | 'none'
-}
-
-export interface DiffLine {
-    type: 'added' | 'removed' | 'normal' | 'empty'
-    num?: number
-    content: string
-}