Add emotion.d.ts (#33191)

frontend/src/metabase/search/components/SearchFilterModal/SearchFilterModal.styled.tsx

 import styled from "@emotion/styled";
-import { color } from "metabase/lib/colors";
 
 export const SearchFilterWrapper = styled.div`
   & > * {
-    border-bottom: 1px solid ${color("border")};
+    border-bottom: 1px solid ${({ theme }) => theme.colors.border[0]};
     padding: 1.5rem 2rem;
     margin: 0;
   }

frontend/src/types/emotion.d.ts

+import "@emotion/react";
+import type { MantineTheme } from "@mantine/core";
+
+declare module "@emotion/react" {
+  // eslint-disable-next-line @typescript-eslint/no-empty-interface
+  export interface Theme extends MantineTheme {}
+}