publish: reference the parent comment with an e tag when commenting under an external-content (I) thread, instead of pointing at the root i again.

publish.go

@@ -280,13 +280,6 @@ func buildNIP22Tags(evt *nostr.Event, target *nostr.Event, relayHints []string)
 	}
 
 	// parent tags (lowercase) - always reference the target event
-	if rootScopeName == "I" {
-		iTag := nostr.Tag{"i", rootScopeValue}
-		if rootScopeRelay != "" {
-			iTag = append(iTag, rootScopeRelay)
-		}
-		evt.Tags = append(evt.Tags, iTag)
-	} else {
 	if target.Kind.IsAddressable() || target.Kind.IsReplaceable() {
 		aValue := fmt.Sprintf("%d:%s:%s", target.Kind, target.PubKey.Hex(), dtag())
 		aTag := nostr.Tag{"a", aValue}
@@ -303,7 +296,6 @@ func buildNIP22Tags(evt *nostr.Event, target *nostr.Event, relayHints []string)
 		eTag = append(eTag, relayHint)
 	}
 	evt.Tags = append(evt.Tags, eTag)
-	}
 
 	evt.Tags = append(evt.Tags, nostr.Tag{"k", fmt.Sprint(target.Kind)})