Check convenience methods (#16632)

Convenience methods for asset check event data
## How I Tested These Changes

python_modules/dagster/dagster/_core/definitions/asset_check_evaluation.py

@@ -25,6 +25,10 @@ def __new__(cls, asset_key: AssetKey, check_name: str):
             check_name=check.str_param(check_name, "check_name"),
         )
 
+    @property
+    def asset_check_handle(self) -> AssetCheckHandle:
+        return AssetCheckHandle(self.asset_key, self.check_name)
+
 
 @whitelist_for_serdes
 class AssetCheckEvaluationTargetMaterializationData(

python_modules/dagster/dagster/_core/events/__init__.py

@@ -741,6 +741,15 @@ def asset_materialization_planned_data(self) -> "AssetMaterializationPlannedData
         )
         return cast(AssetMaterializationPlannedData, self.event_specific_data)
 
+    @property
+    def asset_check_planned_data(self) -> "AssetCheckEvaluationPlanned":
+        _assert_type(
+            "asset_check_planned",
+            DagsterEventType.ASSET_CHECK_EVALUATION_PLANNED,
+            self.event_type,
+        )
+        return cast(AssetCheckEvaluationPlanned, self.event_specific_data)
+
     @property
     def step_expectation_result_data(self) -> "StepExpectationResultData":
         _assert_type(
@@ -757,6 +766,13 @@ def materialization(self) -> AssetMaterialization:
         )
         return cast(StepMaterializationData, self.event_specific_data).materialization
 
+    @property
+    def asset_check_evaluation_data(self) -> AssetCheckEvaluation:
+        _assert_type(
+            "asset_check_evaluation", DagsterEventType.ASSET_CHECK_EVALUATION, self.event_type
+        )
+        return cast(AssetCheckEvaluation, self.event_specific_data)
+
     @property
     def job_failure_data(self) -> "JobFailureData":
         _assert_type("job_failure_data", DagsterEventType.RUN_FAILURE, self.event_type)