fix(ui): Enter on a selectable title opens it even with its words selected

endsTextSelection takes the click event and exempts a keyboard click (detail 0): Enter / Space
ends no selection, so a title selected and then tabbed to opened nothing. All three callers
(FocusSafeButton, the Plex caption, the video card title) go through it.

frontend/src/components/ui/FocusSafeButton.tsx

@@ -80,11 +80,7 @@ export const FocusSafeButton = forwardRef<
           e.preventDefault();
           return;
         }
-        if (
-          selectable &&
-          (endsTextSelection(e.currentTarget) || movedPastSlop(pressedAt.current, e))
-        )
-          return;
+        if (selectable && (endsTextSelection(e) || movedPastSlop(pressedAt.current, e))) return;
         onClick?.(e);
       }}
       onMouseDown={(e) => {