Fix regression from #3834 causing sub-menu lists to close if outside their hover stray distance

Author: Keavon

frontend/src/components/layout/FloatingMenu.svelte

@@ -321,7 +321,7 @@
 
 		// POINTER STRAY
 		// Close the floating menu if the pointer has strayed far enough from its bounds (and it's not hovering over its own spawner)
-		const notHoveringOverOwnSpawner = ownSpawner !== targetSpawner || (ownSpawner === undefined && targetSpawner === undefined);
+		const notHoveringOverOwnSpawner = ownSpawner !== targetSpawner;
 		if (strayCloses && notHoveringOverOwnSpawner && isPointerEventOutsideFloatingMenu(e, POINTER_STRAY_DISTANCE)) {
 			// TODO: Extend this rectangle bounds check to all submenu bounds up the DOM tree since currently submenus disappear
 			// TODO: with zero stray distance if the cursor is further than the stray distance from only the top-level menu