ui: drop redundant .* on pointer match subjects

event_position and translate_sdl_event matched on e.* / sdl.*; lowerMatch now auto-derefs a pointer subject, so 'if e ==' / 'if sdl ==' are equivalent (same load + tag-switch in IR). Pure cleanup.

library/modules/ui/events.sx

@@ -46,7 +46,7 @@ Event :: enum {
 }
 
 event_position :: (e: *Event) -> ?Point {
-    if e.* == {
+    if e == {
         case .mouse_down: (d) { return d.position; }
         case .mouse_up: (d) { return d.position; }
         case .mouse_moved: (d) { return d.position; }
@@ -77,7 +77,7 @@ keycode_from_sdl :: (k: SDL_Keycode) -> Keycode {
 
 // Translate SDL_Event → our Event type
 translate_sdl_event :: (sdl: *SDL_Event) -> Event {
-    if sdl.* == {
+    if sdl == {
         case .quit: {
             return .quit;
         }