Hot Reload: Do not add empty div when diagnostics are empty (1xx)#51837

tmat wants to merge 1 commit intodotnet:release/10.0.1xxdotnet/sdk:release/10.0.1xxfrom

tmat:FixDiagReportingInBrowser1xxtmat/sdk:FixDiagReportingInBrowser1xxCopy head branch name to clipboard