Add missing flags param to IOS get_config cliconf method (#34869)

lib/ansible/plugins/cliconf/ios.py

@@ -53,13 +53,18 @@ class Cliconf(CliconfBase):
         return device_info
 
     @enable_mode
-    def get_config(self, source='running'):
+    def get_config(self, source='running', flags=None):
         if source not in ('running', 'startup'):
             return self.invalid_params("fetching configuration from %s is not supported" % source)
         if source == 'running':
             cmd = b'show running-config all'
         else:
             cmd = b'show startup-config'
+
+        flags = [] if flags is None else flags
+        cmd += ' '.join(flags)
+        cmd = cmd.strip()
+
         return self.send_command(cmd)
 
     @enable_mode