fix(storybook): filter non-component icon exports

[me2seeks]

#2538 added ICON_SIZE to @maka/ui/icons, so that module is no longer component-only. The icon story still cast every namespace export to ElementType, and production Storybook tried to render the size object as a component.

This keeps the catalog self-updating, but filters the namespace to function and forwardRef component shapes before rendering it.

Tested with:

• Desktop Storybook typecheck
• production Storybook build
• full Storybook smoke: 48 manifest checks and 101 catalog stories

Fixes #2541

中文对照

#2538 在 @maka/ui/icons 中加入了 ICON_SIZE，因此这个模块不再只导出组件。图标 Story 仍把命名空间里的每个导出都强制当成 ElementType，导致生产 Storybook 把尺寸对象作为组件渲染。

本次修改保留图标目录的自动追踪，只在渲染前接收函数组件和 forwardRef 组件形态。

已验证 Desktop Storybook 类型检查、生产构建，以及完整 Storybook smoke（48 个 manifest 检查、101 个 catalog Story）。

[me2seeks]

The Storybook failure is the existing Daily Review 480px bounds check; the icon catalog render passes on this run. #2546 carries the selector fix.

[me2seeks]

Rebased onto #2546. The icon catalog is green now; the remaining Storybook failures are both the Daily Review 480px bounds check.