fix(ui): prevent light-theme flash during dark and system-mode startup - #55

'PostgreSqlBuilder.PostgreSqlBuilder()' is obsolete: 'This parameterless constructor is obsolete and will be removed. Use the constructor with the image parameter instead: https://github.com/testcontainers/testcontainers-dotnet/discussions/1470#discussioncomment-15185721.'

'PostgreSqlBuilder.PostgreSqlBuilder()' is obsolete: 'This parameterless constructor is obsolete and will be removed. Use the constructor with the image parameter instead: https://github.com/testcontainers/testcontainers-dotnet/discussions/1470#discussioncomment-15185721.'

'PostgreSqlBuilder.PostgreSqlBuilder()' is obsolete: 'This parameterless constructor is obsolete and will be removed. Use the constructor with the image parameter instead: https://github.com/testcontainers/testcontainers-dotnet/discussions/1470#discussioncomment-15185721.'

'IEmailIngestionService' is obsolete: 'This service has been replaced by the hybrid IImapEmailService and IGraphEmailProcessor.'

'IEmailIngestionService' is obsolete: 'This service has been replaced by the hybrid IImapEmailService and IGraphEmailProcessor.'

'IEmailIngestionService' is obsolete: 'This service has been replaced by the hybrid IImapEmailService and IGraphEmailProcessor.'

Dereference of a possibly null reference.

Nullability of reference types in value of type 'string?[]' doesn't match target type 'string[]'.

Dereference of a possibly null reference.