fix image path for troubleshooting section
fix image path for troubleshooting section

pdion891/cloudstack-docs-admin,lmrv/cloudstack-docs-admin,pdion891/cloudstack-docs-admin,unodba/cloudstack-docs-admin,lmrv/cloudstack-docs-admin,pdion891/cloudstack-docs-admin,apache/cloudstack-docs-admin,unodba/cloudstack-docs-admin,apache/cloudstack-docs-admin,lmrv/cloudstack-docs-admin,apache/cloudstack-docs-admin,unodba/cloudstack-docs-admin