A click anywhere closes a presented board, which no longer takes the focus

Clicking the board put the focus in its frame, where Space and Esc are not
heard, so it could not be closed from the keyboard. The frame now takes no
pointer, and any click closes it, the board included.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: Jing-yilin

canvas/src/CanvasPresent.tsx

@@ -60,7 +60,7 @@ export function CanvasPresent({ editor }: { editor: Editor | null }) {
 
 /**
  * Something shown alone over the whole window, the window dimmed round it: a board or picture
- * from the canvas, or a picture in the chat. Space, Esc or a click beside it comes back to where
+ * from the canvas, or a picture in the chat. Space, Esc or a click anywhere comes back to where
  * it was. Inside the window rather than the browser's full screen, which on a Mac moves the window
  * to a display of its own and back, slowly.
  *
@@ -92,7 +92,7 @@ export function Present({
   return createPortal(
     <div
       className="sp-present"
-      onClick={(e) => e.target === e.currentTarget && close()}
+      onClick={close}
     >
       {children}
     </div>,

canvas/src/index.css

@@ -1994,6 +1994,8 @@ a.sp-menu-row {
   left: 50%;
   translate: -50% -50%;
   border: 0;
+  /* A click would focus the board's own document, which the keys that close this never leave. */
+  pointer-events: none;
   /* The board's own scheme, as on the canvas (CanvasFileShapeUtil.tsx). */
   color-scheme: light;
 }