Fix eos_vrf and eos_vlan interfaces param idempotent issue (#34921)

Fixes # 34917

*  Remove spaces from in between interface name
*  Convert interface name to lower case as interface name
   is case insensitive wrt configuring on remote device.

lib/ansible/modules/network/eos/eos_vlan.py

@@ -45,7 +45,8 @@ options:
     required: true
   interfaces:
     description:
-      - List of interfaces that should be associated to the VLAN.
+      - List of interfaces that should be associated to the VLAN. The name of interface
+        should be in expanded format and not abbreviated.
   delay:
     description:
       - Delay the play should wait to check for declarative intent params values.
@@ -214,7 +215,7 @@ def map_config_to_obj(module):
         if len(splitted_line) > 3:
 
             for i in splitted_line[3].split(','):
-                obj['interfaces'].append(i.strip().replace('Et', 'Ethernet'))
+                obj['interfaces'].append(i.strip().replace('Et', 'ethernet'))
 
         objs.append(obj)
 
@@ -230,6 +231,9 @@ def map_params_to_obj(module):
                 if item.get(key) is None:
                     item[key] = module.params[key]
 
+            if item.get('interfaces'):
+                item['interfaces'] = [intf.replace(" ", "").lower() for intf in item.get('interfaces') if intf]
+
             d = item.copy()
             d['vlan_id'] = str(d['vlan_id'])
 
@@ -239,7 +243,7 @@ def map_params_to_obj(module):
             'vlan_id': str(module.params['vlan_id']),
             'name': module.params['name'],
             'state': module.params['state'],
-            'interfaces': module.params['interfaces']
+            'interfaces': [intf.replace(" ", "").lower() for intf in module.params['interfaces']] if module.params['interfaces'] else []
         })
 
     return obj
@@ -318,5 +322,6 @@ def main():
 
     module.exit_json(**result)
 
+
 if __name__ == '__main__':
     main()