🔖 chore(base.py): add display_name field to FrontendNode

The `display_name` field is added to the `FrontendNode` class to allow for a more user-friendly name to be displayed in the UI. If `display_name` is not set, the `name` field will be used instead.

src/backend/langflow/template/frontend_node/base.py

@@ -14,6 +14,7 @@ class FrontendNode(BaseModel):
     description: str
     base_classes: List[str]
     name: str = ""
+    display_name: str = ""
 
     def to_dict(self) -> dict:
         return {
@@ -21,7 +22,8 @@ class FrontendNode(BaseModel):
                 "template": self.template.to_dict(self.format_field),
                 "description": self.description,
                 "base_classes": self.base_classes,
-            }
+                "display_name": self.display_name or self.name,
+            },
         }
 
     def add_extra_fields(self) -> None: