Bugfixes

[BUGFIX] Fix incorrect metrics for index failures #2781 (@zalegrala)
[BUGFIX] Fix panic in the metrics-generator when using multiple tenants with default overrides #2786 (@kvrhdn)
[BUGFIX] Restore tenant_header_key removed in #2414. #2795 (@joe-elliott)
[BUGFIX] Disable streaming over http by default. #2803 (@joe-elliott)