fix(sw): restore Noto Sans KR as the SW default font

Withdraw the 2026-10-20 Dotum default (user decision). The SW font token
falls back to Malgun Gothic / Apple SD Gothic Neo; the Dotum-only 4px
padding of the drawing-mode cell is restored to 8px.

packages/sw/src/theme/sw-footer.css

@@ -1,6 +1,6 @@
 /* @hm-design/sw — SW Footer (Figma "레이아웃 분리" 26:10097 bottom bar, components 26:9459 … 26:10097, read
    through the Figma Plugin API 2026-10-20). Footer-only tokens. Text keeps the SW typography of sw.css
-   (Dotum like Figma since 2026-10-20, black OUTSIDE outline as 16 text-shadows, own-color 0.3 / 0.4px strokes removed
+   (Noto Sans KR instead of Figma Dotum — the 2026-10-20 Dotum default is withdrawn, black OUTSIDE outline as 16 text-shadows, own-color 0.3 / 0.4px strokes removed
    like the 2026-10-16 header fix). Never touches global selectors, SWHeader or SWPopup classes.
    Declared on the outermost SW scope only, like sw.css: the command line inside the bar inherits the tokens. */