expand the max length of nameLineEdit

Signed-off-by: Takashiro <takashiro@qq.com>
fix the memory leak of MainWindow

Signed-off-by: Takashiro <takashiro@qq.com>
fix the memory leak of RoomScene

Signed-off-by: Takashiro <takashiro@qq.com>
fix the memory leak of five aux skills created in RoomScene

Signed-off-by: Takashiro <takashiro@qq.com>