Inhibit DNS service if Samba is installed

[DavidePrincipi]

• If a Samba instance appears on the local node, DNSMasq stops to be a DNS server to avoid conflict with Samba DC.
• Fix SELinux error with /dev/stdout logging.
• Fix Podman container name to reflect the unit name.

Refs NethServer/dev#7210

Ausearch output:

----
time->Wed Dec 11 16:41:50 2024
type=PROCTITLE msg=audit(1733935310.713:13358): proctitle="dnsmasq"
type=SYSCALL msg=audit(1733935310.713:13358): arch=c000003e syscall=93 success=no exit=-13 a0=9 a1=fffe a2=ffffffff a3=1000 items=0 ppid=46966 pid=46968 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="dnsmasq" exe="/usr/local/sbin/dnsmasq" subj=system_u:system_r:container_t:s0:c148,c738 key=(null)
type=AVC msg=audit(1733935310.713:13358): avc:  denied  { setattr } for  pid=46968 comm="dnsmasq" name="" dev="pipefs" ino=220247 scontext=system_u:system_r:container_t:s0:c148,c738 tcontext=system_u:system_r:container_runtime_t:s0 tclass=fifo_file permissive=0

In logs:

Dec 11 16:41:50 rl1 dnsmasq[46966]: Dec 11 16:41:50 dnsmasq[1]: warning: failed to change owner of /dev/stdout: Permission denied