When getting icon is failed, get_team_name_and_icon()
does not return false, so bitmap allocated to
infoPack.team_icon can be leaked.
* Delete bitmap in get_team_name_and_icon(), not in caller.
* Return false when getiing icon is failed.
Change-Id: Ib65065b59b70cd839e6deda4e1142bd104072d84
Reviewed-on: https://review.haiku-os.org/c/haiku/+/3744
Reviewed-by: Jérôme Duval <[email protected]>