Make `fleet-dark` accurate to the official theme#5605

Merged

the-mikedavis merged 4 commits intohelix-editor:masterfrom kirawi:fleet=dark

Feb 6, 2023

+142-109

Commits on Jan 21, 2023

adjust fleet_dark to reflect the official theme
kirawi
committed

Commits on Jan 22, 2023

fix underlining
kirawi
authored

Commits on Jan 24, 2023

correct selection color
kirawi
authored

Commits on Feb 6, 2023

fix markdown highlight
kirawi
committed