Bridge always has work (prevents sleep)

examples/simple_repeater/MyMesh.cpp

@@ -1219,5 +1219,8 @@ void MyMesh::loop() {
 
 // To check if there is pending work
 bool MyMesh::hasPendingWork() const {
+#if defined(WITH_BRIDGE)
+  if (bridge.isRunning()) return true;  // bridge needs WiFi radio, can't sleep
+#endif
   return _mgr->getOutboundCount(0xFFFFFFFF) > 0;
 }