fix(harvester): show loader while opening report#871

TahaKhan998 wants to merge 1 commit into

CERNDocumentServer:masterCERNDocumentServer/cds-rdm:masterfrom

TahaKhan998:fix/issue-849-harvester-report-loadingTahaKhan998/cds-rdm:fix/issue-849-harvester-report-loadingCopy head branch name to clipboard