[somfytahoma] force the gateway discovery if the LAN mode is not working (openhab#16751)

Signed-off-by: Ondrej Pecta <[email protected]>

Author: octa22

bundles/org.openhab.binding.somfytahoma/src/main/java/org/openhab/binding/somfytahoma/internal/handler/SomfyTahomaBridgeHandler.java

@@ -307,8 +307,15 @@ public synchronized void login() {
                             isDevModeReady() ? "LAN mode" : cloudFallback ? "Cloud mode fallback" : "Cloud mode");
                 } else {
                     logger.debug("Events id error: {}", id);
-                    updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
-                            "unable to register events");
+                    if (!thingConfig.isDevMode()) {
+                        updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
+                                "unable to register events");
+                    } else {
+                        updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
+                                "LAN mode is not properly configured");
+                        logger.debug("Forcing the gateway discovery");
+                        discoverGateway();
+                    }
                 }
             }
         } catch (JsonSyntaxException e) {