proper relay switch, fix wasm

veilid-core/src/network_manager/types/network_class.rs

@@ -15,6 +15,11 @@ impl Default for NetworkClass {
 }
 
 impl NetworkClass {
+    // Must an inbound relay be kept available?
+    // In the case of InboundCapable, it is left up to the class of each DialInfo to determine if an inbound relay is required
+    pub fn inbound_wants_relay(&self) -> bool {
+        matches!(self, Self::OutboundOnly | Self::WebApp)
+    }
     // Should an outbound relay be kept available?
     pub fn outbound_wants_relay(&self) -> bool {
         matches!(self, Self::WebApp)