复用内联选项按钮收口缩放入口

编辑器顶部缩放百分比触发器改为复用 PlatformInlineOptionButton。

保留缩放入口局部尺寸和 hover 视觉覆盖，移除重复混入编辑器图标按钮基础规则。

补充编辑器测试断言共享按钮原语，并更新 TRACKING。

src/components/image-editor/ImageCanvasEditorView.tsx

@@ -2431,16 +2431,15 @@ export function ImageCanvasEditorView() {
             <span>画布</span>
           </div>
           <div className="image-canvas-editor__zoom-menu-wrap">
-            <button
-              type="button"
+            <PlatformInlineOptionButton
               className="image-canvas-editor__zoom-trigger"
               aria-label={`当前缩放比例 ${formatPercent(viewport.scale)}`}
               aria-haspopup="menu"
               aria-expanded={isZoomMenuOpen}
               onClick={() => setIsZoomMenuOpen((open) => !open)}
             >
-              <span>{formatPercent(viewport.scale)}</span>
-            </button>
+              {formatPercent(viewport.scale)}
+            </PlatformInlineOptionButton>
             {isZoomMenuOpen ? (
               <PlatformFloatingMenu label="缩放菜单" placement="bottom-end">
                 <PlatformFloatingMenuItem