test: Enable network policies by default in e2e tests (#3374)

Author: cbalan

test/commonValues.yaml

@@ -47,3 +47,7 @@ networking:
 experimental:
   syncSettings:
     setOwner: true
+
+policies:
+  networkPolicy:
+    enabled: true

test/values_ha.yaml

@@ -20,3 +20,10 @@ controlPlane:
   coredns:
     deployment:
       replicas: 3
+
+# Disable network policies due to known issue related to kindnet, network policies and multiple coredns replicas.
+# - https://linear.app/loft/document/design-doc-custom-network-policy-inboundingress-rules-during-vcluster-2ea800d0072d#slow-dns-queries-409ada74
+# - https://bugzilla.netfilter.org/show_bug.cgi?id=1766
+policies:
+  networkPolicy:
+    enabled: false