Tor Launcher button labels are missing (Firefox 76)

When running inside a Tor Browser that is based on Firefox 76 or newer, some button labels are missing from Tor Launcher's setup wizard. To fix this, we need to apply the same workaround as Mozilla applied in https://bugzilla.mozilla.org/show_bug.cgi?id=1625938

added ReleaseTrainMigration in Legacy / Trac TorBrowserTeam202006R in Legacy / Trac component::applications/tor launcher in Legacy / Trac ff78-esr in Legacy / Trac owner::brade in Legacy / Trac priority::medium in Legacy / Trac resolution::fixed in Legacy / Trac reviewer::acat in Legacy / Trac severity::normal in Legacy / Trac status::closed in Legacy / Trac type::defect in Legacy / Trac labels

Here is a fix: https://gitweb.torproject.org/user/brade/tor-launcher.git/commit/?h=bug34206-01&id=ee6c43379b23aca1efe581d9cb12642167e6a326

Trac:
Status: new to needs_review
Keywords: TorBrowserTeam202005 deleted, TorBrowserTeam202005R added

Thanks, this looks good to me and works fine when I tested.

Trac:
Status: needs_review to merge_ready

Trac:
Keywords: N/A deleted, ff78-esr added
Sponsor: Sponsor58-can to N/A

Trac:
Reviewer: N/A to acat

Moving review tickets.

Trac:
Keywords: TorBrowserTeam202005R deleted, TorBrowserTeam202006R added

Thanks. This landed on master (commit ee6c43379b23aca1efe581d9cb12642167e6a326).

Trac:
Status: merge_ready to closed
Resolution: N/A to fixed

closed

moved from legacy/trac#34206 (moved)

added Bug label and removed 1 deleted label

added Release Train Migration label and removed 1 deleted label