[cosmetic] solaris wwn fix (#55154)

* Solaris WWN parsing cosmetic fix (commit 924f5b5467)

* simplify module.run_command by removing use_unsafe_shell and remove calling of external grep

* add changelog fragment

changelogs/fragments/fibre_channel_wwn_fact_solaris_minor.yaml

@@ -0,0 +1,2 @@
+minor_changes:
+  - cosmetic change, simplify FC WWN facts gathering on Solaris

lib/ansible/module_utils/facts/network/fc_wwn.py

@@ -46,19 +46,20 @@ class FcWwnInitiatorFactCollector(BaseFactCollector):
         elif sys.platform.startswith('sunos'):
             """
             on solaris 10 or solaris 11 should use `fcinfo hba-port`
-            on solaris 9, `prtconf -pv`
+            TBD (not implemented): on solaris 9 use `prtconf -pv`
             """
             cmd = module.get_bin_path('fcinfo')
-            cmd = cmd + " hba-port | grep 'Port WWN'"
-            rc, fcinfo_out, err = module.run_command(cmd, use_unsafe_shell=True)
+            cmd = cmd + " hba-port"
+            rc, fcinfo_out, err = module.run_command(cmd)
             """
             # fcinfo hba-port  | grep "Port WWN"
             HBA Port WWN: 10000090fa1658de
             """
             if fcinfo_out:
                 for line in fcinfo_out.splitlines():
-                    data = line.split(' ')
-                    fc_facts['fibre_channel_wwn'].append(data[-1].rstrip())
+                    if 'Port WWN' in line:
+                        data = line.split(' ')
+                        fc_facts['fibre_channel_wwn'].append(data[-1].rstrip())
         elif sys.platform.startswith('aix'):
             # get list of available fibre-channel devices (fcs)
             cmd = module.get_bin_path('lsdev')