Fix class def not found in grafana component

components/analytics-mgt/grafana-mgt/io.entgra.device.mgt.core.analytics.mgt.grafana.proxy.core/pom.xml

@@ -88,7 +88,7 @@
                             io.entgra.device.mgt.core.application.mgt.core.*
                         </Import-Package>
                         <Export-Package>
-                            !io.entgra.device.mgt.core.analytics.mgt.grafana.proxy.core.internal,
+                            !io.entgra.device.mgt.core.transport.mgt.email.sender.core.internal,
                             io.entgra.device.mgt.core.analytics.mgt.grafana.proxy.core.*
                         </Export-Package>
                         <Embed-Dependency>