sp_Blitz: Does not report a problem with the AG If an AG Secondary is Offline

[iaint-at-scc]

@Version = '8.28', @VersionDate = '20251124'

If an AG Secondary is Offline, sp_Blitz does not report a problem with the AG (Check 268)

SQL Server 2019 known affected - Not tested on other versions

Fix - Use Last Hardened Time for AG Behind (Check 268) if Last Commit Time is NULL

Pull Request ready

[BrentOzar]

Sure, good idea! Makes sense, we'd welcome a pull request on that. Thanks!