Mouse does not move camera after resizing game window with Sizer

When Sizer is used to reposition or change the size of the game window, the mouse no longer works to control where the player looks. The mouse still works inside of menus and to punch or scroll through the inventory. This issue began in version 26.3 and extends into 26.4 snapshot 6. To reproduce the issue, resize the game window using Sizer after launching the game by right-clicking on the edge of the window and selecting a size. To fix the issue, the game must be restarted. The player camera remains functional if the window size is adjusted manually by dragging an edge of the window.