Don't focus tabbed and stacked containers on mouseover

sway/input/cursor.c

@@ -162,9 +162,13 @@ void cursor_send_pointer_motion(struct sway_cursor *cursor, uint32_t time_msec,
 				seat_set_focus_warp(cursor->seat, c, false);
 			}
 		} else {
+			// Don't switch focus on mouseover for stacked and tabbed layouts
+			if(c->parent && c->parent->layout != L_STACKED
+						 && c->parent->layout != L_TABBED) {
 				seat_set_focus_warp(cursor->seat, c, false);
 			}
 		}
+	}
 
 	// reset cursor if switching between clients
 	struct wl_client *client = NULL;