Small refactoring

application/src/main/java/org/thingsboard/server/controller/OAuth2Controller.java

@@ -39,7 +39,7 @@ public class OAuth2Controller extends BaseController {
     @ResponseBody
     public OAuth2ClientRegistration getClientRegistrationById(@PathVariable(REGISTRATION_ID) String registrationId) throws ThingsboardException {
         try {
-            return oauth2Service.getClientRegistrationByRegistrationId(registrationId);
+            return oauth2Service.getClientRegistration(registrationId);
         } catch (Exception e) {
             throw handleException(e);
         }

application/src/main/java/org/thingsboard/server/service/security/auth/oauth2/Oauth2AuthenticationSuccessHandler.java

@@ -64,7 +64,7 @@ public class Oauth2AuthenticationSuccessHandler extends SimpleUrlAuthenticationS
         try {
             OAuth2AuthenticationToken token = (OAuth2AuthenticationToken) authentication;
 
-            OAuth2ClientRegistration clientRegistration = oAuth2Service.getClientRegistrationByRegistrationId(token.getAuthorizedClientRegistrationId());
+            OAuth2ClientRegistration clientRegistration = oAuth2Service.getClientRegistration(token.getAuthorizedClientRegistrationId());
             OAuth2ClientMapper mapper = oauth2ClientMapperProvider.getOAuth2ClientMapperByType(clientRegistration.getMapperConfig().getType());
             SecurityUser securityUser = mapper.getOrCreateUserByClientPrincipal(token, clientRegistration.getMapperConfig());
 

common/dao-api/src/main/java/org/thingsboard/server/dao/oauth2/OAuth2Service.java

@@ -21,7 +21,7 @@ import org.thingsboard.server.common.data.oauth2.OAuth2ClientRegistration;
 import java.util.List;
 
 public interface OAuth2Service {
-    OAuth2ClientRegistration getClientRegistrationByRegistrationId(String registrationId);
+    OAuth2ClientRegistration getClientRegistration(String registrationId);
 
     List<OAuth2ClientInfo> getOAuth2Clients();
 }

dao/src/main/java/org/thingsboard/server/dao/oauth2/HybridClientRegistrationRepository.java

@@ -18,7 +18,7 @@ public class HybridClientRegistrationRepository implements ClientRegistrationRep
 
     @Override
     public ClientRegistration findByRegistrationId(String registrationId) {
-        OAuth2ClientRegistration localClientRegistration = oAuth2Service.getClientRegistrationByRegistrationId(registrationId);
+        OAuth2ClientRegistration localClientRegistration = oAuth2Service.getClientRegistration(registrationId);
         return localClientRegistration == null ?
                 null : toSpringClientRegistration(localClientRegistration);
     }

dao/src/main/java/org/thingsboard/server/dao/oauth2/OAuth2ServiceImpl.java

@@ -53,7 +53,7 @@ public class OAuth2ServiceImpl implements OAuth2Service {
     }
 
     @Override
-    public OAuth2ClientRegistration getClientRegistrationByRegistrationId(String registrationId) {
+    public OAuth2ClientRegistration getClientRegistration(String registrationId) {
         if (oauth2Configuration == null || !oauth2Configuration.isEnabled()) return null;
         OAuth2Client oAuth2Client = oauth2Configuration.getClients() == null ? null : oauth2Configuration.getClients().get(registrationId);
         if (oAuth2Client != null){