Fixed some error messages/warnings during index download#2257

Merged

cmaglie merged 2 commits intoarduino:masterfrom

cmaglie:fix_error_message

Aug 3, 2023

Commits on Aug 2, 2023

Added FAILED_INSTANCE_INIT_REASON_INDEX_DOWNLOAD_ERROR in gRPC Init errors
cmaglie
committed
Improved error reporting during Init and first-index-update
cmaglie
committed