Seen on 91.1.1 and 93.0b2

wizard.css is a M-C file and needs to be overridden. It uses also platform specific files for macOS and the same file for Linux/Windows. I use now the same styles for all platforms.

accountWizard.css was on all platforms the same -> moved to shared including the rules from imAccountWizard.css which is now deleted.

Pushed by mkmelin@iki.fi:
https://hg.mozilla.org/comm-central/rev/e31fbbc2f59f
Make the Account wizards themeable. r=aleca

[Approval Request Comment]
User impact if declined: not themed wizards
Testing completed (on c-c, etc.): on c-c
Risk to taking this patch (and alternatives if risky): should be low but to c-c, beta is different as two wizards aren't HTMLized.

Same patch as for beta. Only one jar.mn file was different.
[Approval Request Comment]
User impact if declined: not themed wizards
Testing completed (on c-c, etc.): on c-c
Risk to taking this patch (and alternatives if risky): should be low but to c-c, beta is different as two wizards aren't HTMLized.

Comment on attachment 9242089 [details] [diff] [review]
1731129-wizard-themeable-beta.patch

[Triage Comment]
Approved for beta

Thunderbird 93.0b4:
https://hg.mozilla.org/releases/comm-beta/rev/725fe0fd7e29

Comment on attachment 9242092 [details] [diff] [review]
1731129-wizard-themeable-ESR.patch

[Triage Comment]
Approved for esr91

Thunderbird 91.1.2:
https://hg.mozilla.org/releases/comm-esr91/rev/dbfd453f7b00