* Removed duplicate manifest for Mozilla Thunderbird version 78.1.0 (EN-CA).
* Revert "Removed duplicate manifest for Mozilla Thunderbird version 78.1.0 (EN-CA)."
This reverts commit 9040f513fe07445339ecce3aa5b6ad11bd97b4ea.
* Revert "Revert "Removed duplicate manifest for Mozilla Thunderbird version 78.1.0 (EN-CA).""
This reverts commit 7acf7175375c526856ba0e08c7e7292e62dca73b.