fix: dictionary lapping for widget (#248)

Author: Nazar F

examples/pipelines/dhis2/pipeline.py

@@ -5,7 +5,7 @@
 from openhexa.sdk.workspaces.connection import DHIS2Connection
 
 
-@pipeline("dhis2")
+@pipeline(name="DHIS2 Data Elements")
 @parameter("dhis2_con", type=DHIS2Connection, required=True)
 @parameter(
     "data_elements",

openhexa/sdk/pipelines/parameter.py

@@ -453,7 +453,7 @@ def to_dict(self) -> dict[str, typing.Any]:
             "choices": self.choices,
             "help": self.help,
             "default": self.default,
-            "widget": self.widget if self.widget else None,
+            "widget": self.widget.value if self.widget else None,
             "connection": self.connection,
             "required": self.required,
             "multiple": self.multiple,