fix(dotcom): followup to prevent flash of white background in dark mode, pt 2 (tldraw#8355)

followup to tldraw#8302
i put the color in the wrong place - didn't see that it was inverted
(with `:not`) in the 2nd place 🤦


### Change type

- [ ] `bugfix`
- [ ] `improvement`
- [ ] `feature`
- [ ] `api`
- [x] `other`

Author: mimecuvalo

apps/dotcom/client/styles/globals.css

@@ -29,6 +29,7 @@ html[data-theme='light'] #root {
 	html:not([data-theme='light']) body,
 	html:not([data-theme='light']) #root {
 		background-color: hsl(240, 5%, 6.5%);
+		color: hsl(210, 17%, 98%);
 		color-scheme: dark;
 	}
 }
@@ -37,7 +38,6 @@ html[data-theme='light'] #root {
 	html:not([data-theme='dark']) body,
 	html:not([data-theme='dark']) #root {
 		background-color: hsl(210, 20%, 98%);
-		color: hsl(210, 17%, 98%);
 		color-scheme: light;
 	}
 }