fix(ui): use dark scheme for browser built-in inputs/scrolls in dark …

…mode

UI uses some elements for input date, time, etc... They have extra icon
which very hard to see in dark mode and their popups have white
background.

Signed-off-by: Roman Dmytrenko <rdmytrenko@gmail.com>

ui/src/assets/colors/dark.css

@@ -30,6 +30,8 @@
   --red-100: 127 29 29;
   --red-50: 127 29 29;
 
+  color-scheme: dark;
+
   .shadow {
     --tw-shadow: 0 1px 3px 0 rgba(255, 255, 255, 0.1),
       0 1px 2px 0 rgba(255, 255, 255, 0.06);