Per-type board rows with shared categories, a network device IP field, and two dark-mode dialogs

plugins/network/api/routes.py

@@ -24,9 +24,13 @@ def _upsert_primary_ip(asset, ip):
     """Create/update/clear the asset's primary IP Communication from an
     ipaddress string. No-op if the IP CommunicationType is not seeded."""
     ip = (ip or '').strip()
-    if not ip:
-        return
     comm = Communication.query.filter_by(assetid=asset.assetid, isprimary=True).first()
+    if not ip:
+        # Clearing the field clears the row's IP - it used to return early, so
+        # an address could be typed but never taken back out.
+        if comm:
+            comm.ipaddress = None
+        return
     if comm:
         comm.ipaddress = ip
         return