Add possibility to enable/disable performance metrics

In order to enable/disable performance metrics, you can use the following properties: On Broker side: DSB_ARENDER_ENDPOINT_METRICS_EXPORTHAS_DOCUMENT_ENABLED= false DSB_ARENDER_ENDPOINT_METRICS_EXPORTBOOKMARKS_ENABLED= false DSB_ARENDER_ENDPOINT_METRICS_EXPORTDOCUMENT_LAYOUT_ENABLED= true DSB_ARENDER_ENDPOINT_METRICS_EXPORTDOCUMENT_METADATA_ENABLED= false DSB_ARENDER_ENDPOINT_METRICS_EXPORTIMAGE_ENABLED= true DSB_ARENDER_ENDPOINT_METRICS_EXPORTPAGE_CONTENTS_ENABLED= false DSB_ARENDER_ENDPOINT_METRICS_EXPORTSEARCH_ENABLED= false DSB_ARENDER_ENDPOINT_METRICS_EXPORTADVANCED_SEARCH_ENABLED= false DSB_ARENDER_ENDPOINT_METRICS_EXPORTLOAD_DOCUMENT_ENABLED= true DSB_ARENDER_ENDPOINT_METRICS_EXPORTEVICT_ENABLED= false DSB_ARENDER_ENDPOINT_METRICS_EXPORTALTER_DOCUMENT_ENABLED= true DSB_ARENDER_ENDPOINT_METRICS_EXPORTDOCUMENT_ACCESSOR_ENABLED= true DSB_ARENDER_ENDPOINT_METRICS_EXPORTANNOTATION_ENABLED= false DSB_ARENDER_ENDPOINT_METRICS_EXPORTCOMPARE_ENABLED= true DSB_ARENDER_ENDPOINT_METRICS_EXPORTNAMED_DESTINATION= false DSB_ARENDER_ENDPOINT_METRICS_EXPORTVIDEO_ENABLED= true DSB_ARENDER_ENDPOINT_METRICS_EXPORTDOCUMENT_SIZE_ENABLED= true DSB_ARENDER_ENDPOINT_METRICS_EXPORTDOCUMENT_DPI_ENABLED= false DSB_ARENDER_ENDPOINT_METRICS_EXPORTWEATHER_ENABLED= false DSB_ARENDER_ENDPOINT_METRICS_EXPORTREADINESS_ENABLED= false DSB_ARENDER_ENDPOINT_METRICS_EXPORTSIGNATURE_ENABLED= false DSB_ARENDER_ENDPOINT_METRICS_EXPORTPRINTABLE_PDF_ENABLED= true DSB_ARENDER_ENDPOINT_METRICS_EXPORTCONVERT_ENABLED= true DSB_ARENDER_ENDPOINT_METRICS_EXPORTHEALTH_RECORD_ENABLED= false On Previewer side: ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_HAS_DOCUMENT_ENABLED= false ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_BOOKMARKS_ENABLED= false ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_DOCUMENT_LAYOUT_ENABLED= true ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_DOCUMENT_METADATA_ENABLED= false ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_IMAGE_ENABLED= true ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_PAGE_CONTENTS_ENABLED= false ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_SEARCH_ENABLED= false ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_ADVANCED_SEARCH_ENABLED= false ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_LOAD_DOCUMENT_ENABLED= true ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_EVICT_ENABLED= false ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_ALTER_DOCUMENT_ENABLED= true ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_DOCUMENT_ACCESSOR_ENABLED= true ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_ANNOTATION_ENABLED= false ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_COMPARE_ENABLED= true ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_NAMED_DESTINATION= false ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_VIDEO_ENABLED= true ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_DOCUMENT_SIZE_ENABLED= true ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_DOCUMENT_DPI_ENABLED= false ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_WEATHER_ENABLED= false ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_READINESS_ENABLED= false ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_SIGNATURE_ENABLED= false ARENDERSRV_ARENDER_ENDPOINT_METRICS_EXPORT_PRINTABLE_PDF_ENABLED= true