Fix: only include model snapshots in the version creation progress (#1538)

* Fix: only include model snapshots in the version creation progress

* Use new model count as a condition instead of plan.new_snapshots

* Cleanup

Author: georgesittas

sqlmesh/core/plan/evaluator.py

@@ -134,9 +134,10 @@ def _push(self, plan: Plan) -> None:
             plan: The plan to source snapshots from.
         """
         snapshot_id_to_snapshot = {s.snapshot_id: s for s in plan.snapshots}
+        new_model_snapshot_count = len([s for s in plan.new_snapshots if s.is_model])
 
-        if plan.new_snapshots:
-            self.console.start_creation_progress(len(plan.new_snapshots))
+        if new_model_snapshot_count > 0:
+            self.console.start_creation_progress(new_model_snapshot_count)
 
         def on_complete(snapshot: SnapshotInfoLike) -> None:
             self.console.update_creation_progress(1)