Fix save button overlap in theme editor in night mode

Affects issues:
- Fixed #4487

Author: AuroraLS3

Plan/react/dashboard/src/style/main.sass

@@ -141,6 +141,10 @@ p, span, td, .h3, a, button
     &.scrolled
       top: 1em
 
+
+.night-mode-colors .editor-toast
+  top: 13.8rem
+
 .disabled-feedback
   width: 100%
   margin-top: 0.25rem