UI Fixes for Dark Mode (#3337)

* Forced Scroll BG color fix

* pr requested changes

packages/twenty-front/src/modules/ui/layout/page/DefaultLayout.tsx

@@ -1,4 +1,5 @@
 import { ReactNode } from 'react';
+import { css, Global, useTheme } from '@emotion/react';
 import styled from '@emotion/styled';
 import { AnimatePresence, LayoutGroup } from 'framer-motion';
 
@@ -62,8 +63,16 @@ type DefaultLayoutProps = {
 export const DefaultLayout = ({ children }: DefaultLayoutProps) => {
   const onboardingStatus = useOnboardingStatus();
   const isMobile = useIsMobile();
-
+  const theme = useTheme();
   return (
+    <>
+      <Global
+        styles={css`
+          body {
+            background: ${theme.background.tertiary};
+          }
+        `}
+      />
       <StyledLayout>
         <CommandMenu />
         <KeyboardShortcutMenu />
@@ -87,5 +96,6 @@ export const DefaultLayout = ({ children }: DefaultLayoutProps) => {
         </StyledPageContainer>
         {isMobile && <MobileNavigationBar />}
       </StyledLayout>
+    </>
   );
 };