Pull request #44: Never use an empty alias

Merge in ISGAPPSEC/cyperf-api-wrapper from fix-empty-alias to main

Squashed commit of the following:

commit e58ab64af1d64be67ef833436ba99c2c3ca0c13b
Author: Tudor Simionescu <tudor.simionescu@keysight.com>
Date:   Wed Nov 12 13:15:59 2025 +0200

    Never use an empty alias

    Why:
    - if the field.alias property is empty, then we should use the key
    name; the current code sets the field name to "None"

Author: tsimionescu

cyperf/dynamic_model_meta.py

@@ -381,7 +381,7 @@ def update(cls, self):
                     del d[key]
                 else:
                     field = self.base_model.__fields__[key]
-                    field_name = field.alias if 'alias' in dir(field) else key
+                    field_name = field.alias if 'alias' in dir(field) and field.alias else key
                     if field_name != key:
                         del d[key]
                     d[field_name] = getattr(self.base_model, key)