make X509 certificate doc link be always available

dao/src/main/java/org/thingsboard/server/dao/device/DeviceServiceImpl.java

@@ -755,6 +755,9 @@ public class DeviceServiceImpl extends AbstractCachedEntityService<DeviceCacheKe
     }
 
     private String getMqttPublishCommand(String protocol, String defaultHostname, String deviceTelemetryTopic, DeviceCredentials deviceCredentials, String payload) {
+        if (deviceCredentials.getCredentialsType() == DeviceCredentialsType.X509_CERTIFICATE) {
+            return CHECK_DOCUMENTATION;
+        }
         DeviceConnectivityInfo properties = deviceConnectivityConfiguration.getConnectivity().get(protocol);
         if (properties == null || !properties.getEnabled()) {
             return null;
@@ -765,6 +768,9 @@ public class DeviceServiceImpl extends AbstractCachedEntityService<DeviceCacheKe
     }
 
     private String getCoapPublishCommand(String protocol, String defaultHostname, DeviceCredentials deviceCredentials) {
+        if (deviceCredentials.getCredentialsType() == DeviceCredentialsType.X509_CERTIFICATE) {
+            return CHECK_DOCUMENTATION;
+        }
         DeviceConnectivityInfo properties = deviceConnectivityConfiguration.getConnectivity().get(protocol);
         if (properties == null || !properties.getEnabled()) {
             return null;

dao/src/main/java/org/thingsboard/server/dao/util/DeviceConnectivityUtil.java

@@ -64,10 +64,6 @@ public class DeviceConnectivityUtil {
                     return null;
                 }
                 break;
-            case X509_CERTIFICATE:
-                if (MQTTS.equals(protocol)) {
-                    return CHECK_DOCUMENTATION;
-                }
             default:
                 return null;
         }
@@ -81,10 +77,6 @@ public class DeviceConnectivityUtil {
                 String client = COAPS.equals(protocol) ? "coap-client-openssl -v 9" : "coap-client";
                 return String.format("%s -m POST %s://%s%s/api/v1/%s/telemetry -t json -e %s",
                         client, protocol, host, port, deviceCredentials.getCredentialsId(), JSON_EXAMPLE_PAYLOAD);
-            case X509_CERTIFICATE:
-                if (COAPS.equals(protocol)) {
-                    return CHECK_DOCUMENTATION;
-                }
             default:
                 return null;
         }