[Feature] Sync Features from Client Repo (#425)

- New PackageImporter
- Fix persisting Molfile on Structure creation
- Add NonPersistent Prediction
- Pathway View Options
- Edit Node Fix

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#425

epdb/logic.py

@@ -1011,7 +1011,7 @@ class PackageManager(object):
         add_import_timestamp=True,
         trust_reviewed=False,
     ) -> Package:
-        importer = PackageImporter(data, preserve_uuids, add_import_timestamp, trust_reviewed)
+        importer = PackageImporter(data, preserve_uuids)
         imported_package = importer.do_import()
 
         up = UserPackagePermission()
@@ -1828,6 +1828,11 @@ class SPathway(object):
                 "to": to_indices,
             }
 
+            if edge.rule:
+                e["rule"] = edge.rule.simple_json()
+            if edge.probability:
+                e["probability"] = edge.probability
+
             edges.append(e)
 
         return {