修复图片信息文本复制

移除图片信息弹窗的整段复制按钮

保留选中文本时的浏览器原生 Ctrl+C

放行图片信息弹窗内的浏览器右键菜单

补充文本复制与右键菜单回归测试

src/index.css

@@ -8571,14 +8571,6 @@ button.image-canvas-editor__reference-chip:disabled {
   overflow-wrap: anywhere;
 }
 
-.image-canvas-editor__metadata-footer {
-  padding: 0.72rem 0.85rem;
-}
-
-.image-canvas-editor__metadata-copy-button {
-  justify-content: center;
-}
-
 @media (max-width: 760px) {
   .image-canvas-editor {
     flex-direction: column;